Is CVE-2023-37580 actively exploited?

Yes. CVE-2023-37580 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-37580 be exploited remotely?

The attack vector of CVE-2023-37580 has not been classified yet.

What is the CVSS score of CVE-2023-37580?

CVE-2023-37580 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-37580

HIGHCISA KEVIN THE WILD

CVE-2023-37580

Published: July 27, 2023

EPSS:93.92%probability of exploitation in 30 daysPercentile:99.9th

Official Description

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability impacting the confidentiality and integrity of data.

NVD Source

CISA KEV Advisory

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability impacting the confidentiality and integrity of data.

Added to KEV: 2023-07-27Federal patch deadline: 2023-08-17

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

Synacor Zimbra Collaboration Suite (ZCS) is affected by a cross-site scripting vulnerability that impacts the confidentiality and integrity of data. The high EPSS score of 0.93918 indicates a very high likelihood of exploitation, and its presence in CISA's KEV confirms active exploitation.

This vulnerability is actively being exploited in the wild. It is remotely exploitable.

Recommended Action

Apply the latest security updates for Synacor Zimbra Collaboration Suite (ZCS) to address this cross-site scripting vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-37580 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-37580 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.