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TI-2024-24823 Aliases CVE-2024-37311

Collabora Online's remote host TLS certificates are not fully verified

Priority LOW 35CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

Collabora Online is a collaborative online office suite based on LibreOffice. In affected versions of Collabora Online, https connections from coolwsd to other hosts may incompletely verify the remote host's certificate's against the full chain of trust. This vulnerability is fixed in Collabora Online 24.04.4.3, 23.05.14.1, and 22.05.23.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00229 13th percentileScored 2026-11-07
Fix Fixed online (CollaboraOnline): 24.04.4.3, 23.05.14-1, 22.05.23.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Collaboraonline24.04.1.1 to before 24.04.4.3; 23.05.0-1 to before 23.05.14-1; before 22.05.23.124.04.4.3, 23.05.14-1, 22.05.23.1Patch availableCNA
  • online VendorCollabora Affected 24.04.1.1 to before 24.04.4.3; 23.05.0-1 to before 23.05.14-1; before 22.05.23.1 Fixed in 24.04.4.3, 23.05.14-1, 22.05.23.1 Patch available CNA

Remediation

  • Fix · CNA online (CollaboraOnline) Fixed in 24.04.4.3, 23.05.14-1, 22.05.23.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-37311

References

  • TI-2026-73868 Collabora Online Built-in CODE Server allows remote code execution KEVCVSS 4.0CRITICAL 9.2
  • TI-2026-19024 Collabora Online vulnerable to Authorization Bypass CVSS 3.1MEDIUM 5.3
  • TI-2021-12412 Unauthenticated attacker could gain access to currently open files CVSS 3.1CRITICAL 9.8
  • TI-2025-40711 Configuration-Dependent RCE (OS Command Injection) in richdocumentscode proxy CVSS 4.0HIGH 7.2
  • TI-2023-16934 Collabora Online has Stored Cross-Site-Scripting vulnerability in admin interface CVSS 3.1HIGH 8.7
  • TI-2025-20570 Collabora Online Vulnerable to Arbitrary File Write CVSS 4.0HIGH 8.3
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences