An issue was discovered in Wind River VxWorks 7 22.09 and 23.03.

published 2024-02-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56471

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

An issue was discovered in Wind River VxWorks 7 22.09 and 23.03. If a VxWorks task or POSIX thread that uses OpenSSL exits, limited per-task memory is not freed, resulting in a memory leak.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-02-15)

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

windriver vxworks

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

support2.windriver.com /index.php?page=cve&on=view&id=CVE-2023-51787
vendor-advisory

Sources

CVE List CVE-2023-51787
NVD CVE-2023-51787

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