Cyber Resilience

CVE-2023-34959

Medium

Published: 08 June 2023

Published
08 June 2023
Modified
06 January 2025
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0047 65.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-34959 is a medium-severity SSRF (CWE-918) vulnerability in Chamilo Chamilo Lms. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 34.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue in Chamilo v1.11.* up to v1.11.18 allows attackers to execute a Server-Side Request Forgery (SSRF) and obtain information on the services running on the server via crafted requests in the social and links tools.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

chamilo
chamilo lms
1.11.0 — 1.11.18

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

addresses: CWE-918

Validates server-side URLs and resource references to block SSRF attempts.

addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.

References