Is CVE-2025-59032 actively exploited?

No active exploitation of CVE-2025-59032 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-59032 be exploited remotely?

Yes. CVE-2025-59032 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-59032?

CVE-2025-59032 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2025-59032

CWE-20Published: March 27, 2026· Updated: Mar 30, 2026

7.5

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:18.5th

Official Description

ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it's not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known.

NVD Source

Technical Analysis

CVE-2025-59032 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.