CVE-2023-37580
Actively exploited. CVE-2023-37580 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-07-27) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2023-37580 is indexed in Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
[Update on July 26, 2023] Security patch released by the vendor On July 26, 2023, the vendor released a security patch [1] for this vulnerability registered as CVE-2023-37580. It is therefore strongly recommended to deploy patch P41 for all versions...
CSIRTS triage
- What
- A vulnerability has been identified that requires a security patch.
- Who is affected
- Users of Zimbra Collaboration Suite who have not applied the latest updates.
- Urgency
- Remediation is important as the vulnerability is being actively exploited.
- Action
- Deploy patch P41 for all versions of Zimbra Collaboration Suite.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2023-37580 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (2)
- criticalexploitedCVE-2023-37580: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerabilitycisa-kev · 2023-07-27
- unknownexploited[Update] Vulnerability in Zimbra Collaboration Suite (July 17, 2023)cert-fr-alerte · 2023-07-17
External references
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