Cyber Resilience

CVE-2023-24735

MediumPublic PoC

Published: 06 March 2023

Published
06 March 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0712 91.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-24735 is a medium-severity Open Redirect (CWE-601) vulnerability in Sigb Pmb. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 8.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

PMB version 7.4.6 contains an open redirect vulnerability in the /opac_css/pmb.php component. The flaw, tracked as CVE-2023-24735 and assigned CWE-601, permits an attacker to supply a crafted URL that causes the application to redirect users to an arbitrary external domain. The issue received a CVSS 3.1 score of 6.1, reflecting network attack vector, low complexity, no required privileges, and required user interaction with changed scope.

An unauthenticated attacker can exploit the vulnerability by delivering a malicious link to a victim; if the victim follows the link, the browser is redirected to an attacker-controlled site, enabling phishing or further attacks against the redirected user. The two referenced GitHub repositories provide proof-of-concept details but contain no official vendor advisory or patch information.

EPSS scores for the CVE reached a peak of 0.0948 and currently stand at 0.0712, indicating modest and stable exploitation interest since disclosure.

EU & UK References

Vulnerability details

PMB v7.4.6 was discovered to contain an open redirect vulnerability via the component /opac_css/pmb.php. This vulnerability allows attackers to redirect victim users to an external domain via a crafted URL.

CWE(s)

Related Threats

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

Affected Assets

sigb
pmb
7.4.6

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-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.

References