CVE-2023-20198

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2023-20198

Confirmed

Yes

2023-10-16 00:00 UTC

Timestamps

2023-10-16

2023-10-16

Scope

KEV entry: Cisco IOS XE Web UI Privilege Escalation Vulnerability | Affected: Cisco / IOS XE Web UI | Description: Cisco IOS XE Web UI contains a privilege escalation vulnerability in the web user interface that could allow a remote, unauthenticated attacker to create an account with privilege level 15 access. The attacker can then use that account to gain control of the affected device. | Required action: Verify that instances of Cisco IOS XE Web UI are in compliance with BOD 23-02 and apply mitigations per vendor instructions. For affected products (Cisco IOS XE Web UI exposed to the internet or to untrusted networks), follow vendor instructions to determine if a system may have been compromised and immediately report positive findings to CISA. | Due date: 2023-10-20 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xe-dublin-17121/221128-software-fix-availability-for-cisco-ios.html; https://nvd.nist.gov/vuln/detail/CVE-2023-20198

References
  • {'id': 'CVE-2023-20198', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-20198'}

e3f2e1f2-4e22-46b8-bdc7-2aad34b8b61f

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-420"
  ],
  "date_added": "2023-10-16",
  "due_date": "2023-10-20",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "IOS XE Web UI",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco IOS XE Web UI Privilege Escalation Vulnerability"
}
 -
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