CVE-2023-42118
On September 27, 2023, Zero Day Initiative (ZDI) published six security advisories [1] regarding zero-day vulnerabilities affecting versions prior to 4.96.1 or 4.97 of the Exim Mail Transfer Agent (MTA). On October 1, 2023, the vendor...
CSIRTS triage
- What
- Multiple zero-day vulnerabilities have been identified.
- Who is affected
- Deployments of Exim versions prior to 4.96.1 or 4.97.
- Urgency
- Remediation is urgent due to the presence of zero-day vulnerabilities.
- Action
- Upgrade to Exim version 4.96.1 or 4.97.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation likely imminentEPSS puts this in the most-targeted tier (51.5% 30-day exploitation probability). Prioritize alongside KEV items. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (1)
- unknownMultiple vulnerabilities in Exim (October 2, 2023)cert-fr-alerte · 2023-10-02
External references
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