Deserialization of Untrusted Data

published 2025-05-12 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-14299

cvss: 6.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

An authenticated attacker can maliciously modify layout data files in the SEL-5033 installation directory to execute arbitrary code.

Patch / fix

fixed in 1

Schweitzer Engineering Laboratories SEL-5033 acSELerator RTAC Software 1.154.200.3500

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 17 mo ago (2025-05-12)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.6	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L

Affected products

Schweitzer Engineering Laboratories SEL-5033 acSELerator RTAC Software

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

selinc.com /products/software/latest-software-versions/

Sources

CVE List CVE-2025-46738
NVD CVE-2025-46738

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary