CVE-2023-37580

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2023-07-27. Federal remediation due 2023-08-17.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active 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

46.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.7% 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

2023-07-31 00:00Z3 YR AGO

Last updated

2025-10-30 18:26Z10 MO AGO

Reserved

2023-07-07

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

c07428637171bd2d8a5f392579c015a27b6b4a1b0f4e7e89ff470f01e33ef2a8

• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Security_Center
• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
• www.openwall.com[oss-security] 20231117 CVE-2023-37580 (and others): XSS vulnerabilities in Zimbra Collaboration Suitehttp://www.openwall.com/lists/oss-security/2023/11/17/2mailing-list
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-37580government-resource