# Samsung Mobile Devices: Insertion of Sensitive Information Into Log File (CVE-2023-21492) · pwn.watch

> 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. Added to CISA KEV on 2023-05-19.

Page: https://pwn.watch/i/samsung-mobile-devices-cve-2023-21492 · generated 2026-10-22T22:54:30.229Z

## Status
- Severity: medium · status: closed · patch: patched
- Product: Samsung Mobile Devices
- Started: 2023-05-19 · closed: 2023-05-19
- CVEs: CVE-2023-21492
- Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/samsung-mobile-devices-cve-2023-21492/feed.xml
- JSON Feed: https://pwn.watch/i/samsung-mobile-devices-cve-2023-21492/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/samsung-mobile-devices-cve-2023-21492.json
- This file: https://pwn.watch/i/samsung-mobile-devices-cve-2023-21492/llms.txt

## Updates (newest first)
- 2023-05-19: CISA added CVE-2023-21492 to the KEV catalog (due 2023-06-09).

## Fix brief
# Security brief: Samsung Mobile Devices: Insertion of Sensitive Information Into Log File (CVE-2023-21492)

Source: https://pwn.watch/i/samsung-mobile-devices-cve-2023-21492 · status: closed (closed May 19, 2023) · severity: medium · updated May 19, 2023

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
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. Added to CISA KEV on 2023-05-19.

Severity detail: CVSS 4.4 (NVD), actively exploited (CISA KEV)

- Product: Samsung Mobile Devices
- CVE / advisory ids: CVE-2023-21492

## Affected versions
- See vendor advisory / CISA notes (versions not always listed in KEV feed)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- May 19, 2023: CISA added CVE-2023-21492 to the KEV catalog (due 2023-06-09).

## Advisories
- [Vendor advisory: Samsung Mobile Devices](https://security.samsungmobile.com/securityUpdate.smsb) (Samsung)
- [NVD: CVE-2023-21492](https://nvd.nist.gov/vuln/detail/CVE-2023-21492) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

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Machine-readable: https://pwn.watch/i/samsung-mobile-devices-cve-2023-21492.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.