CVE-2023-21492: in the CISA KEV catalogue
Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability. CISA added CVE-2023-21492 to the Known Exploited Vulnerabilities catalogue on 2023-05-19 with a default due date of 2023-06-09. Known ransomware campaign use: Unknown. Forensic triage flag: No.
Samsung mobile devices running Android 11, 12, and 13 contain an insertion of sensitive information into log file vulnerability that allows a privileged, local attacker to conduct an address space layout randomization (ASLR) bypass. (CISA description)
- Vendor / product
- Samsung Mobile Devices
- CWE
- CWE-532
- CISA required action
- Apply updates per vendor instructions.
- EPSS
- 2.6%, percentile 85 (scored 2026-11-03)
EPSS puts about 2.6 in 100 odds (2.6%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 85% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2023-21492 in the CISA KEV catalogue?
Yes. CISA added CVE-2023-21492 (Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2023-05-19. CISA's default due date for it is 2023-06-09.
Is CVE-2023-21492 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2023-21492. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2023-21492?
CISA's required action: Apply updates per vendor instructions.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2023-21492