Vulnerability-Lookup

CNVD-2021-43531

Vulnerability from cnvd - Published: 2021-06-21

Title

pfSense跨站脚本漏洞（CNVD-2021-43531）

Description

pfsense是一款开源路由和防火墙软件，基于freebsd系统定制和开发。 pfSense 2.4.5-p1版中的load_balancer_monitor.php函数存在存储型跨站脚本漏洞。攻击者可利用该漏洞执行任意Web脚本。

Severity

低

Patch Name

pfSense跨站脚本漏洞（CNVD-2021-43531）的补丁

Patch Description

pfsense是一款开源路由和防火墙软件，基于freebsd系统定制和开发。 pfSense 2.4.5-p1版中的load_balancer_monitor.php函数存在存储型跨站脚本漏洞。攻击者可利用该漏洞执行任意Web脚本。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/pfsense/pfsense/commit/a220a22a8c05c10a7b875ac6b565f2c4fe7b251c

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-26693

Impacted products

Name
BSD Perimeter LLC pfSense 2.4.5-p1

Show details on source website

JSON

To clipboard

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      "cveNumber": "CVE-2020-26693",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26693"
    }
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  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/pfsense/pfsense/commit/a220a22a8c05c10a7b875ac6b565f2c4fe7b251c",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-43531",
  "openTime": "2021-06-21",
  "patchDescription": "pfsense\u662f\u4e00\u6b3e\u5f00\u6e90\u8def\u7531\u548c\u9632\u706b\u5899\u8f6f\u4ef6\uff0c\u57fa\u4e8efreebsd\u7cfb\u7edf\u5b9a\u5236\u548c\u5f00\u53d1\u3002\r\n\r\npfSense 2.4.5-p1\u7248\u4e2d\u7684load_balancer_monitor.php\u51fd\u6570\u5b58\u5728\u5b58\u50a8\u578b\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610fWeb\u811a\u672c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "pfSense\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-43531\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "BSD Perimeter LLC pfSense 2.4.5-p1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-26693",
  "serverity": "\u4f4e",
  "submitTime": "2021-06-02",
  "title": "pfSense\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-43531\uff09"
}

CVE-2020-26693 (GCVE-0-2020-26693)

Vulnerability from cvelistv5 – Published: 2021-06-01 14:30 – Updated: 2024-08-04 15:56

Summary

A stored cross-site scripting (XSS) vulnerability was discovered in pfSense 2.4.5-p1 which allows an authenticated attacker to execute arbitrary web scripts via exploitation of the load_balancer_monitor.php function.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2230 records in the last 180 days details

References

1 reference

URL	Tags
https://github.com/pfsense/pfsense/commit/a220a22…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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.

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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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