CVE-2023-34192

critical-risk
Published 2023-07-06

Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.

Do I need to act?

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89.0% chance of exploitation in next 30 days
EPSS score — higher than 11% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.0/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Synacor

References (7)

Release Notes https://wiki.zimbra.com/wiki/Security_Center
Not Applicable https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
Vendor Advisory https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Release Notes https://wiki.zimbra.com/wiki/Security_Center
Not Applicable https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
Vendor Advisory https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-...
81
/ 100
critical-risk
Severity 30/34 · Critical
Exploitability 27/34 · High
Exposure 24/34 · High