Cisco IOS XE Web UI Command Injection Vulnerability

Exploited in the wild. Listed by CISA on 2023-10-23; known to be used by ransomware.

92.9%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

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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.

No ready check is stored for this CVE. Confirm it by hand from the references.

References

https://nvd.nist.gov/vuln/detail/CVE-2023-20273

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