Security readout for executives and security teams
CVE-2023-37580 is a cross-site scripting issue in the Zimbra Classic Web Client affecting Zimbra Collaboration 8 before 8.8.15 Patch 41. The CVSS score is medium, but CISA KEV listing means defenders should treat it as urgent for exposed Zimbra mail environments. Organizations running Zimbra Collaboration Suite 8 with the Classic Web Client before 8.8.15 Patch 41 are the relevant exposure. Public-facing webmail increases business risk, but the provided sources do not enumerate deployment-specific indicators. Treat this as a priority remediation item for any exposed Zimbra mail system. The vulnerability is rated medium by CVSS, but confirmed KEV inclusion raises operational urgency because exploited email-platform XSS can support account compromise paths. Mitigation focus: Upgrade affected Zimbra Collaboration 8 systems to 8.8.15 Patch 41 or later vendor guidance.; Prioritize internet-facing Zimbra Classic Web Client deployments first.; Review Zimbra Security Center guidance for current advisories and supported remediation..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-37580 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wiki.zimbra.com/wiki/Security_CenterCVE reference
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_PolicyCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-37580CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.