ghsa-4xrf-pcxr-rf3c
Vulnerability from github
Published
2023-10-16 18:30
Modified
2024-01-25 18:30
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Details

Cisco is aware of active exploitation of a previously unknown vulnerability in the web UI feature of Cisco IOS XE Software when exposed to the internet or to untrusted networks. This vulnerability allows a remote, unauthenticated attacker to create an account on an affected system with privilege level 15 access. The attacker can then use that account to gain control of the affected system.

For steps to close the attack vector for this vulnerability, see the Recommendations section of this advisory 

Cisco will provide updates on the status of this investigation and when a software patch is available.

Show details on source website

To clipboard 

{
   affected: [],
   aliases: [
      "CVE-2023-20198",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-420",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2023-10-16T16:15:10Z",
      severity: "CRITICAL",
   },
   details: "Cisco is aware of active exploitation of a previously unknown vulnerability in the web UI feature of Cisco IOS XE Software when exposed to the internet or to untrusted networks. This vulnerability allows a remote, unauthenticated attacker to create an account on an affected system with privilege level 15 access. The attacker can then use that account to gain control of the affected system.\n\n For steps to close the attack vector for this vulnerability, see the Recommendations section of this advisory \n\n Cisco will provide updates on the status of this investigation and when a software patch is available.",
   id: "GHSA-4xrf-pcxr-rf3c",
   modified: "2024-01-25T18:30:45Z",
   published: "2023-10-16T18:30:28Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2023-20198",
      },
      {
         type: "WEB",
         url: "https://arstechnica.com/security/2023/10/actively-exploited-cisco-0-day-with-maximum-10-severity-gives-full-network-control",
      },
      {
         type: "WEB",
         url: "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z",
      },
      {
         type: "WEB",
         url: "https://www.cisa.gov/guidance-addressing-cisco-ios-xe-web-ui-vulnerabilities",
      },
      {
         type: "WEB",
         url: "https://www.darkreading.com/vulnerabilities-threats/critical-unpatched-cisco-zero-day-bug-active-exploit",
      },
      {
         type: "WEB",
         url: "http://packetstormsecurity.com/files/175674/Cisco-IOX-XE-Unauthenticated-Remote-Code-Execution.html",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.