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Vulnerability in Apache Struts 2 (December 13, 2023)

unknownCVE-2023-50164
On December 4, 2023, Apache published a security advisory regarding the critical vulnerability CVE-2023-50164 affecting the Struts 2 framework. This vulnerability allows an unauthenticated attacker to upload a backdoor to a vulnerable server, thus executing arbitrary code...

CSIRTS triage

What
The vulnerability allows an unauthenticated attacker to upload a backdoor to a vulnerable server, thus executing arbitrary code.
Who is affected
Deployments of Apache Struts 2 that are vulnerable.
Urgency
Remediation is urgent due to the critical nature of the vulnerability.
Action
Apply the security patch provided by Apache.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-FR Alertes de sécurité (FR · national-cert · site)
Severity
unknown
Published
2023-12-13
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/alerte/CERTFR-2023-ALE-013/

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-50164coverage & exploitation statusNVD · CVE.org

Recent advisories for Apache Struts

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-FR Alertes de sécurité