cve-2023-20273

HIGH CVSS 7.2 cisa_known_exploited
Description

Cisco IOS XE contains a command injection vulnerability in the web user interface. When chained with CVE-2023-20198, the attacker can leverage the new local user to elevate privilege to root and write the implant to the file system. Cisco identified CVE-2023-20273 as the vulnerability exploited to deploy the implant. CVE-2021-1435, previously associated with the exploitation events, is no longer believed to be related to this activity.

Timeline
Published
2023-10-23
Last Modified
2023-10-23
CVSS Details

CVSS details not available.

Affected Products

No product information available.

References

No references available.

Linked Vulnerabilities

No linked vulnerabilities found.

{
  "cvss": 7.2,
  "datePublished": "2023-10-23",
  "dateUpdated": "2023-10-23",
  "description": "Cisco IOS XE contains a command injection vulnerability in the web user interface. When chained with CVE-2023-20198, the attacker can leverage the new local user to elevate privilege to root and write the implant to the file system. Cisco identified CVE-2023-20273 as the vulnerability exploited to deploy the implant. CVE-2021-1435, previously associated with the exploitation events, is no longer believed to be related to this activity.",
  "dueDate": "2023-10-27",
  "id": "CVE-2023-20273",
  "kev_catalogs": [
    "cisa"
  ],
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z;  https://nvd.nist.gov/vuln/detail/CVE-2023-20273",
  "product": "Cisco IOS XE Web UI",
  "requiredAction": "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.",
  "severity": "HIGH",
  "source": "cisa_known_exploited",
  "title": "Cisco IOS XE Web UI Command Injection Vulnerability",
  "vendor": "Cisco"
}
Enrichment data
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