Vulnerability-Lookup

CNVD-2024-23323

Vulnerability from cnvd - Published: 2024-05-16

Title

Cisco NX-OS Software身份验证错误漏洞

Description

Cisco NX-OS Software是美国思科（Cisco）公司的一套交换机使用的数据中心级操作系统软件。 Cisco NX-OS Software存在身份验证错误漏洞，该漏洞源于TACACS+和RADIUS处理身份验证尝试时的输入验证不正确。攻击者可利用该漏洞通过在登录提示符下输入特制的字符串来导致系统拒绝服务（DoS）。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-remoteauth-dos-XB6pv74m

Reference

https://nvd.nist.gov/vuln/detail/CVE-2023-20168

Impacted products

Name
['Cisco Nexus 3000 Series Switche', 'Cisco Nexus 7000 series switches', 'Cisco Nexus 6000 Series Switches', 'Cisco Nexus 5600 Platform Switches', 'Cisco Nexus 5500 Platform Switches', 'Cisco Nexus 1000V Switch for VMware vSphere', 'Cisco MDS 9000 Series Multilayer Switches', 'Cisco Nexus 1000 Virtual Edge for VMware vSphere', 'Cisco Nexus 1000V Switch for Microsoft Hyper-V', 'Cisco Nexus 9000 Series Switches in standalone NX-OS mode']

Name

['Cisco Nexus 3000 Series Switche', 'Cisco Nexus 7000 series switches', 'Cisco Nexus 6000 Series Switches', 'Cisco Nexus 5600 Platform Switches', 'Cisco Nexus 5500 Platform Switches', 'Cisco Nexus 1000V Switch for VMware vSphere', 'Cisco MDS 9000 Series Multilayer Switches', 'Cisco Nexus 1000 Virtual Edge for VMware vSphere', 'Cisco Nexus 1000V Switch for Microsoft Hyper-V', 'Cisco Nexus 9000 Series Switches in standalone NX-OS mode']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-20168",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-20168"
    }
  },
  "description": "Cisco NX-OS Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4ea4\u6362\u673a\u4f7f\u7528\u7684\u6570\u636e\u4e2d\u5fc3\u7ea7\u64cd\u4f5c\u7cfb\u7edf\u8f6f\u4ef6\u3002\n\nCisco NX-OS Software\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eTACACS+\u548cRADIUS\u5904\u7406\u8eab\u4efd\u9a8c\u8bc1\u5c1d\u8bd5\u65f6\u7684\u8f93\u5165\u9a8c\u8bc1\u4e0d\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5728\u767b\u5f55\u63d0\u793a\u7b26\u4e0b\u8f93\u5165\u7279\u5236\u7684\u5b57\u7b26\u4e32\u6765\u5bfc\u81f4\u7cfb\u7edf\u62d2\u7edd\u670d\u52a1\uff08DoS\uff09\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-remoteauth-dos-XB6pv74m",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-23323",
  "openTime": "2024-05-16",
  "products": {
    "product": [
      "Cisco Nexus 3000 Series Switche",
      "Cisco Nexus 7000 series switches",
      "Cisco Nexus 6000 Series Switches",
      "Cisco Nexus 5600 Platform Switches",
      "Cisco Nexus 5500 Platform Switches",
      "Cisco Nexus 1000V Switch for VMware vSphere",
      "Cisco MDS 9000 Series Multilayer Switches",
      "Cisco Nexus 1000 Virtual Edge for VMware vSphere",
      "Cisco Nexus 1000V Switch for Microsoft Hyper-V",
      "Cisco Nexus 9000 Series Switches in standalone NX-OS mode"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2023-20168",
  "serverity": "\u4e2d",
  "submitTime": "2023-08-30",
  "title": "Cisco NX-OS Software\u8eab\u4efd\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2023-20168 (GCVE-0-2023-20168)

Vulnerability from cvelistv5 – Published: 2023-08-23 18:07 – Updated: 2024-08-02 09:05

Summary

A vulnerability in TACACS+ and RADIUS remote authentication for Cisco NX-OS Software could allow an unauthenticated, local attacker to cause an affected device to unexpectedly reload. This vulnerability is due to incorrect input validation when processing an authentication attempt if the directed request option is enabled for TACACS+ or RADIUS. An attacker could exploit this vulnerability by entering a crafted string at the login prompt of an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a denial of service (DoS) condition.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

cisco CNA under the mitre root

CNA scorecard C 66/100 over 434 records in the last 180 days details

References

1 reference

URL	Tags
https://sec.cloudapps.cisco.com/security/center/c…

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco NX-OS Software	Affected: 4.2(1)SV1(4) Affected: 4.2(1)SV1(4a) Affected: 4.2(1)SV1(4b) Affected: 4.2(1)SV1(5.1) Affected: 4.2(1)SV1(5.1a) Affected: 4.2(1)SV1(5.2) Affected: 4.2(1)SV1(5.2b) Affected: 4.2(1)SV2(1.1) Affected: 4.2(1)SV2(1.1a) Affected: 4.2(1)SV2(2.1) Affected: 4.2(1)SV2(2.1a) Affected: 4.2(1)SV2(2.2) Affected: 4.2(1)SV2(2.3) Affected: 5.2(1)SM1(5.1) Affected: 5.2(1)SM1(5.2) Affected: 5.2(1)SM1(5.2a) Affected: 5.2(1)SM1(5.2b) Affected: 5.2(1)SM1(5.2c) Affected: 5.2(1)SM3(1.1) Affected: 5.2(1)SM3(1.1a) Affected: 5.2(1)SM3(1.1b) Affected: 5.2(1)SM3(1.1c) Affected: 5.2(1)SM3(2.1) Affected: 5.2(1)SV3(1.4) Affected: 5.2(1)SV3(1.1) Affected: 5.2(1)SV3(1.3) Affected: 5.2(1)SV3(1.5a) Affected: 5.2(1)SV3(1.5b) Affected: 5.2(1)SV3(1.6) Affected: 5.2(1)SV3(1.10) Affected: 5.2(1)SV3(1.15) Affected: 5.2(1)SV3(2.1) Affected: 5.2(1)SV3(2.5) Affected: 5.2(1)SV3(2.8) Affected: 5.2(1)SV3(3.1) Affected: 5.2(1)SV3(1.2) Affected: 5.2(1)SV3(1.4b) Affected: 5.2(1)SV3(3.15) Affected: 5.2(1)SV3(4.1) Affected: 5.2(1)SV3(4.1a) Affected: 5.2(1)SV3(4.1b) Affected: 5.2(1)SV3(4.1c) Affected: 6.0(2)A3(1) Affected: 6.0(2)A3(2) Affected: 6.0(2)A3(4) Affected: 6.0(2)A4(1) Affected: 6.0(2)A4(2) Affected: 6.0(2)A4(3) Affected: 6.0(2)A4(4) Affected: 6.0(2)A4(5) Affected: 6.0(2)A4(6) Affected: 6.0(2)A6(1) Affected: 6.0(2)A6(1a) Affected: 6.0(2)A6(2) Affected: 6.0(2)A6(2a) Affected: 6.0(2)A6(3) Affected: 6.0(2)A6(3a) Affected: 6.0(2)A6(4) Affected: 6.0(2)A6(4a) Affected: 6.0(2)A6(5) Affected: 6.0(2)A6(5a) Affected: 6.0(2)A6(5b) Affected: 6.0(2)A6(6) Affected: 6.0(2)A6(7) Affected: 6.0(2)A6(8) Affected: 6.0(2)A7(1) Affected: 6.0(2)A7(1a) Affected: 6.0(2)A7(2) Affected: 6.0(2)A7(2a) Affected: 6.0(2)A8(1) Affected: 6.0(2)A8(2) Affected: 6.0(2)A8(3) Affected: 6.0(2)A8(4) Affected: 6.0(2)A8(4a) Affected: 6.0(2)A8(5) Affected: 6.0(2)A8(6) Affected: 6.0(2)A8(7) Affected: 6.0(2)A8(7a) Affected: 6.0(2)A8(7b) Affected: 6.0(2)A8(8) Affected: 6.0(2)A8(9) Affected: 6.0(2)A8(10a) Affected: 6.0(2)A8(10) Affected: 6.0(2)A8(11) Affected: 6.0(2)A8(11a) Affected: 6.0(2)A8(11b) Affected: 6.0(2)U2(1) Affected: 6.0(2)U2(2) Affected: 6.0(2)U2(3) Affected: 6.0(2)U2(4) Affected: 6.0(2)U2(5) Affected: 6.0(2)U2(6) Affected: 6.0(2)U3(1) Affected: 6.0(2)U3(2) Affected: 6.0(2)U3(3) Affected: 6.0(2)U3(4) Affected: 6.0(2)U3(5) Affected: 6.0(2)U3(6) Affected: 6.0(2)U3(7) Affected: 6.0(2)U3(8) Affected: 6.0(2)U3(9) Affected: 6.0(2)U4(1) Affected: 6.0(2)U4(2) Affected: 6.0(2)U4(3) Affected: 6.0(2)U4(4) Affected: 6.0(2)U5(1) Affected: 6.0(2)U5(2) Affected: 6.0(2)U5(3) Affected: 6.0(2)U5(4) Affected: 6.0(2)U6(1) Affected: 6.0(2)U6(2) Affected: 6.0(2)U6(3) Affected: 6.0(2)U6(4) Affected: 6.0(2)U6(5) Affected: 6.0(2)U6(6) Affected: 6.0(2)U6(7) Affected: 6.0(2)U6(8) Affected: 6.0(2)U6(1a) Affected: 6.0(2)U6(2a) Affected: 6.0(2)U6(3a) Affected: 6.0(2)U6(4a) Affected: 6.0(2)U6(5a) Affected: 6.0(2)U6(5b) Affected: 6.0(2)U6(5c) Affected: 6.0(2)U6(9) Affected: 6.0(2)U6(10) Affected: 6.2(2) Affected: 6.2(2a) Affected: 6.2(6) Affected: 6.2(6b) Affected: 6.2(8) Affected: 6.2(8a) Affected: 6.2(8b) Affected: 6.2(10) Affected: 6.2(12) Affected: 6.2(18) Affected: 6.2(16) Affected: 6.2(14) Affected: 6.2(6a) Affected: 6.2(20) Affected: 6.2(1) Affected: 6.2(3) Affected: 6.2(5) Affected: 6.2(5a) Affected: 6.2(5b) Affected: 6.2(7) Affected: 6.2(9) Affected: 6.2(9a) Affected: 6.2(9b) Affected: 6.2(9c) Affected: 6.2(11) Affected: 6.2(11b) Affected: 6.2(11c) Affected: 6.2(11d) Affected: 6.2(11e) Affected: 6.2(13) Affected: 6.2(13a) Affected: 6.2(13b) Affected: 6.2(15) Affected: 6.2(17) Affected: 6.2(19) Affected: 6.2(21) Affected: 6.2(23) Affected: 6.2(20a) Affected: 6.2(25) Affected: 6.2(22) Affected: 6.2(27) Affected: 6.2(29) Affected: 6.2(24) Affected: 6.2(31) Affected: 6.2(24a) Affected: 6.2(33) Affected: 7.0(3)F1(1) Affected: 7.0(3)F2(1) Affected: 7.0(3)F2(2) Affected: 7.0(3)F3(1) Affected: 7.0(3)F3(2) Affected: 7.0(3)F3(3) Affected: 7.0(3)F3(3a) Affected: 7.0(3)F3(4) Affected: 7.0(3)F3(3c) Affected: 7.0(3)F3(5) Affected: 7.0(3)I2(2a) Affected: 7.0(3)I2(2b) Affected: 7.0(3)I2(2c) Affected: 7.0(3)I2(2d) Affected: 7.0(3)I2(2e) Affected: 7.0(3)I2(3) Affected: 7.0(3)I2(4) Affected: 7.0(3)I2(5) Affected: 7.0(3)I2(1) Affected: 7.0(3)I2(1a) Affected: 7.0(3)I2(2) Affected: 7.0(3)I3(1) Affected: 7.0(3)I4(1) Affected: 7.0(3)I4(2) Affected: 7.0(3)I4(3) Affected: 7.0(3)I4(4) Affected: 7.0(3)I4(5) Affected: 7.0(3)I4(6) Affected: 7.0(3)I4(7) Affected: 7.0(3)I4(8) Affected: 7.0(3)I4(8a) Affected: 7.0(3)I4(8b) Affected: 7.0(3)I4(8z) Affected: 7.0(3)I4(9) Affected: 7.0(3)I5(1) Affected: 7.0(3)I5(2) Affected: 7.0(3)I6(1) Affected: 7.0(3)I6(2) Affected: 7.0(3)I7(1) Affected: 7.0(3)I7(2) Affected: 7.0(3)I7(3) Affected: 7.0(3)I7(4) Affected: 7.0(3)I7(5) Affected: 7.0(3)I7(5a) Affected: 7.0(3)I7(6) Affected: 7.0(3)I7(7) Affected: 7.0(3)I7(8) Affected: 7.0(3)I7(9) Affected: 7.0(3)I7(10) Affected: 7.1(0)N1(1a) Affected: 7.1(0)N1(1b) Affected: 7.1(0)N1(1) Affected: 7.1(1)N1(1) Affected: 7.1(2)N1(1) Affected: 7.1(3)N1(1) Affected: 7.1(3)N1(2) Affected: 7.1(4)N1(1) Affected: 7.1(5)N1(1) Affected: 7.1(5)N1(1b) Affected: 7.2(0)D1(1) Affected: 7.2(1)D1(1) Affected: 7.2(2)D1(2) Affected: 7.2(2)D1(1) Affected: 7.3(0)D1(1) Affected: 7.3(0)DX(1) Affected: 7.3(0)DY(1) Affected: 7.3(0)N1(1) Affected: 7.3(1)D1(1) Affected: 7.3(1)DY(1) Affected: 7.3(1)N1(1) Affected: 7.3(2)D1(1) Affected: 7.3(2)D1(2) Affected: 7.3(2)D1(3) Affected: 7.3(2)D1(3a) Affected: 7.3(2)N1(1) Affected: 7.3(3)N1(1) Affected: 8.0(1) Affected: 8.1(1) Affected: 8.1(2) Affected: 8.1(2a) Affected: 8.1(1a) Affected: 8.1(1b) Affected: 8.2(1) Affected: 8.2(2) Affected: 8.2(3) Affected: 8.2(4) Affected: 8.2(5) Affected: 8.2(6) Affected: 8.2(7) Affected: 8.2(7a) Affected: 8.2(8) Affected: 8.2(9) Affected: 8.3(1) Affected: 8.3(2) Affected: 9.2(1) Affected: 9.2(2) Affected: 9.2(2t) Affected: 9.2(3) Affected: 9.2(4) Affected: 9.2(2v) Affected: 9.2(1a) Affected: 7.3(4)N1(1) Affected: 7.3(3)D1(1) Affected: 7.3(4)D1(1) Affected: 7.3(5)N1(1) Affected: 5.2(1)SK3(1.1) Affected: 5.2(1)SK3(2.1) Affected: 5.2(1)SK3(2.2) Affected: 5.2(1)SK3(2.2b) Affected: 5.2(1)SK3(2.1a) Affected: 5.2(1)SV5(1.1) Affected: 5.2(1)SV5(1.2) Affected: 5.2(1)SV5(1.3) Affected: 5.2(1)SV5(1.3a) Affected: 5.2(1)SV5(1.3b) Affected: 5.2(1)SV5(1.3c) Affected: 8.4(1) Affected: 8.4(1a) Affected: 8.4(2) Affected: 8.4(2a) Affected: 8.4(3) Affected: 8.4(2b) Affected: 8.4(4) Affected: 8.4(2c) Affected: 8.4(4a) Affected: 8.4(5) Affected: 8.4(2d) Affected: 8.4(6) Affected: 8.4(2e) Affected: 8.4(6a) Affected: 8.4(7) Affected: 8.4(2f) Affected: 9.3(1) Affected: 9.3(2) Affected: 9.3(3) Affected: 9.3(4) Affected: 9.3(5) Affected: 9.3(6) Affected: 9.3(7) Affected: 9.3(7a) Affected: 9.3(8) Affected: 9.3(9) Affected: 9.3(10) Affected: 9.3(11) Affected: 7.3(6)N1(1) Affected: 7.3(5)D1(1) Affected: 7.3(7)N1(1) Affected: 7.3(7)N1(1a) Affected: 7.3(7)N1(1b) Affected: 7.3(6)D1(1) Affected: 7.3(8)N1(1) Affected: 7.3(7)D1(1) Affected: 7.3(9)N1(1) Affected: 10.1(1) Affected: 10.1(2) Affected: 10.1(2t) Affected: 8.5(1) Affected: 7.3(10)N1(1) Affected: 7.3(8)D1(1) Affected: 10.2(1) Affected: 10.2(1q) Affected: 10.2(2) Affected: 10.2(3) Affected: 10.2(3t) Affected: 10.2(4) Affected: 10.2(5) Affected: 7.3(9)D1(1) Affected: 7.3(11)N1(1) Affected: 7.3(12)N1(1) Affected: 10.3(1) Affected: 10.3(2) Affected: 7.3(13)N1(1)

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T09:05:35.038Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "cisco-sa-nxos-remoteauth-dos-XB6pv74m",
            "tags": [
              "x_transferred"
            ],
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-remoteauth-dos-XB6pv74m"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco NX-OS Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "4.2(1)SV1(4)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV1(4a)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV1(4b)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV1(5.1)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV1(5.1a)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV1(5.2)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV1(5.2b)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV2(1.1)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV2(1.1a)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV2(2.1)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV2(2.1a)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV2(2.2)"
            },
            {
              "status": "affected",
              "version": "4.2(1)SV2(2.3)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM1(5.1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM1(5.2)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM1(5.2a)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM1(5.2b)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM1(5.2c)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM3(1.1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM3(1.1a)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM3(1.1b)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM3(1.1c)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SM3(2.1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(1.4)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(1.1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(1.3)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(1.5a)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(1.5b)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(1.6)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(1.10)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(1.15)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(2.1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(2.5)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV3(2.8)"
            },
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            },
            {
              "status": "affected",
              "version": "7.3(5)N1(1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SK3(1.1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SK3(2.1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SK3(2.2)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SK3(2.2b)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SK3(2.1a)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV5(1.1)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV5(1.2)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV5(1.3)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV5(1.3a)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV5(1.3b)"
            },
            {
              "status": "affected",
              "version": "5.2(1)SV5(1.3c)"
            },
            {
              "status": "affected",
              "version": "8.4(1)"
            },
            {
              "status": "affected",
              "version": "8.4(1a)"
            },
            {
              "status": "affected",
              "version": "8.4(2)"
            },
            {
              "status": "affected",
              "version": "8.4(2a)"
            },
            {
              "status": "affected",
              "version": "8.4(3)"
            },
            {
              "status": "affected",
              "version": "8.4(2b)"
            },
            {
              "status": "affected",
              "version": "8.4(4)"
            },
            {
              "status": "affected",
              "version": "8.4(2c)"
            },
            {
              "status": "affected",
              "version": "8.4(4a)"
            },
            {
              "status": "affected",
              "version": "8.4(5)"
            },
            {
              "status": "affected",
              "version": "8.4(2d)"
            },
            {
              "status": "affected",
              "version": "8.4(6)"
            },
            {
              "status": "affected",
              "version": "8.4(2e)"
            },
            {
              "status": "affected",
              "version": "8.4(6a)"
            },
            {
              "status": "affected",
              "version": "8.4(7)"
            },
            {
              "status": "affected",
              "version": "8.4(2f)"
            },
            {
              "status": "affected",
              "version": "9.3(1)"
            },
            {
              "status": "affected",
              "version": "9.3(2)"
            },
            {
              "status": "affected",
              "version": "9.3(3)"
            },
            {
              "status": "affected",
              "version": "9.3(4)"
            },
            {
              "status": "affected",
              "version": "9.3(5)"
            },
            {
              "status": "affected",
              "version": "9.3(6)"
            },
            {
              "status": "affected",
              "version": "9.3(7)"
            },
            {
              "status": "affected",
              "version": "9.3(7a)"
            },
            {
              "status": "affected",
              "version": "9.3(8)"
            },
            {
              "status": "affected",
              "version": "9.3(9)"
            },
            {
              "status": "affected",
              "version": "9.3(10)"
            },
            {
              "status": "affected",
              "version": "9.3(11)"
            },
            {
              "status": "affected",
              "version": "7.3(6)N1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(5)D1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(7)N1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(7)N1(1a)"
            },
            {
              "status": "affected",
              "version": "7.3(7)N1(1b)"
            },
            {
              "status": "affected",
              "version": "7.3(6)D1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(8)N1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(7)D1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(9)N1(1)"
            },
            {
              "status": "affected",
              "version": "10.1(1)"
            },
            {
              "status": "affected",
              "version": "10.1(2)"
            },
            {
              "status": "affected",
              "version": "10.1(2t)"
            },
            {
              "status": "affected",
              "version": "8.5(1)"
            },
            {
              "status": "affected",
              "version": "7.3(10)N1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(8)D1(1)"
            },
            {
              "status": "affected",
              "version": "10.2(1)"
            },
            {
              "status": "affected",
              "version": "10.2(1q)"
            },
            {
              "status": "affected",
              "version": "10.2(2)"
            },
            {
              "status": "affected",
              "version": "10.2(3)"
            },
            {
              "status": "affected",
              "version": "10.2(3t)"
            },
            {
              "status": "affected",
              "version": "10.2(4)"
            },
            {
              "status": "affected",
              "version": "10.2(5)"
            },
            {
              "status": "affected",
              "version": "7.3(9)D1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(11)N1(1)"
            },
            {
              "status": "affected",
              "version": "7.3(12)N1(1)"
            },
            {
              "status": "affected",
              "version": "10.3(1)"
            },
            {
              "status": "affected",
              "version": "10.3(2)"
            },
            {
              "status": "affected",
              "version": "7.3(13)N1(1)"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in TACACS+ and RADIUS remote authentication for Cisco NX-OS Software could allow an unauthenticated, local attacker to cause an affected device to unexpectedly reload. This vulnerability is due to incorrect input validation when processing an authentication attempt if the directed request option is enabled for TACACS+ or RADIUS. An attacker could exploit this vulnerability by entering a crafted string at the login prompt of an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. "
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-25T16:57:48.712Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-nxos-remoteauth-dos-XB6pv74m",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-remoteauth-dos-XB6pv74m"
        }
      ],
      "source": {
        "advisory": "cisco-sa-nxos-remoteauth-dos-XB6pv74m",
        "defects": [
          "CSCwe72368",
          "CSCwe72670",
          "CSCwe72648",
          "CSCwe72673",
          "CSCwe72674"
        ],
        "discovery": "EXTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2023-20168",
    "datePublished": "2023-08-23T18:07:53.428Z",
    "dateReserved": "2022-10-27T18:47:50.362Z",
    "dateUpdated": "2024-08-02T09:05:35.038Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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