CVE detail

CVE-2023-20273 — Cisco IOS XE Web UI Command Injection Vulnerability

Published 2023-10-23 · Modified 2023-10-23 · Source kev

HIGH

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.8963

EPSS probability

exploitation probability, 30d

100.0%

EPSS percentile

percentile vs all CVEs

LISTED

CISA KEV

due 2023-10-27

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.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.