CVE-2025-4373
MediumUpdated
Published: 06 May 2025
Published
06 May 2025
Modified
12 May 2026
KEV Added
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Patch
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CVSS Score v3.1
4.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS Score
0.0074
73.4th percentile
Risk Priority
10
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2025-4373 is a medium-severity Buffer Underflow (CWE-124) vulnerability in Siemens (inferred from references). Its CVSS base score is 4.8 (Medium).
Operationally, ranked in the top 26.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-13592
Vulnerability details
A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Siemens
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inferred from references and description; NVD did not file a CPE for this CVE
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.