CVE-2026-33370

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.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 10.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. 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

2026-03-20 00:00Z5 MO AGO

Last updated

2026-03-23 13:38Z5 MO AGO

Reserved

2026-03-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.1)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.2

Document digest

df7361f7ccca141ba2d846fe99c0d3a214a03090b74ad5c6f5649bd60314e2d3

• 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/10.1.16#Security_Fixes