Is CVE-2026-33372 actively exploited?

No active exploitation of CVE-2026-33372 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-33372 be exploited remotely?

Yes. CVE-2026-33372 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-33372?

CVE-2026-33372 has a CVSS score of 5.4 (MEDIUM).

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MEDIUM

CVE-2026-33372

Published: March 20, 2026· Updated: Mar 24, 2026

5.4

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:3.9th

Official Description

An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. A cross-site request forgery (CSRF) vulnerability exists in Zimbra Webmail due to improper validation of CSRF tokens. The application accepts CSRF tokens supplied within the request body instead of requiring them through the expected request header. An attacker can exploit this issue by tricking an authenticated user into submitting a crafted request. This may allow unauthorized actions to be performed on behalf of the victim.

NVD Source

Technical Analysis

CVE-2026-33372 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.