CVE-2025-53645

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 70.4% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-07-09 00:00Z1 YR AGO

Last updated

2025-07-22 15:38Z1 YR AGO

Reserved

2025-07-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

3e604e1898b6cfe2b055d026fcae4df6f47378f6c6a01e397a0850fb906c8344

• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Security_Center
• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.9#Security_Fixes
• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.15#Security_Fixes
• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P46#Security_Fixes