VulnerabilityAnalyzed
CVE-2023-37580
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
KEVMEDIUM 6.1EPSS 46.7%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 August 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41 allows XSS in the Zimbra Classic Web Client.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 46.71% probability · 99th percentile
- CISA KEV
- Listed 27 July 2023 · due 17 August 2023
- Weakness
- CWE-79
- Affected
- synacor/zimbra collaboration suite
- Source
- cve@mitre.org
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://wiki.zimbra.com/wiki/Security_Center ; https://nvd.nist.gov/vuln/detail/CVE-2023-37580
References
- http://www.openwall.com/lists/oss-security/2023/11/17/2Mailing List, Patch
- https://wiki.zimbra.com/wiki/Security_CenterRelease Notes
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_PolicyNot Applicable
- http://www.openwall.com/lists/oss-security/2023/11/17/2Mailing List, Patch
- https://wiki.zimbra.com/wiki/Security_CenterRelease Notes
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_PolicyNot Applicable
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-37580US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.