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CVE-2023-0669: Fortra GoAnywhere MFT Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2023-0669
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Fortra (formerly, HelpSystems) GoAnywhere MFT contains a pre-authentication remote code execution vulnerability in the License Response Servlet due to deserializing an attacker-controlled object.

CSIRTS triage

vendor: Fortraproduct: GoAnywhere MFTRemote code executionUnsafe deserialization
What
There is a pre-authentication remote code execution vulnerability due to deserializing an attacker-controlled object.
Who is affected
Deployments of GoAnywhere MFT are affected.
Urgency
Remediation is urgent as the vulnerability is actively exploited and classified as critical.
Action
Apply the latest security patch provided by Fortra.

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

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-02-10
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-0669

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-2023-0669coverage & exploitation statusNVD · CVE.org

Recent advisories for Fortra GoAnywhere MFT

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 CISA Known Exploited Vulnerabilities