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ExploitedIn CISA KEV

CVE-2023-21492

Exploitation confirmed. First attested on 2023-05-19 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2023-05-04
  • WeaknessCWE-532

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.

Timeline

dates in UTC
  1. 2023-05-0421:15CVE publishedNVD
  2. 2023-05-19Added to the CISA KEV catalogCISA KEV
  3. 2023-05-19Listed as exploited by GCVEGCVE
  4. 2023-05-19Exploitation first reportedCISA KEV
  5. 2025-01-2816:24SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-21492?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-21492?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Samsung android
BranchAffectedFixed in
11.0= 11.0no fix published
12.0= 12.0no fix published
13.0= 13.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As Samsung Mobile, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Samsung Mobile Devices
    Affected
    • ≥ Selected Android 11, 12, 13 devices, < SMR May-2023 Release 1fixed in SMR May-2023 Release 1custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-05-04

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2023-06-09

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-05-19
Patch Due Date
2023-06-09
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Published
2023-05-04
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-v36x-x4cv-7vr2

Frequently asked questions

What is CVE-2023-21492?

Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.

Is CVE-2023-21492 actively exploited?

Yes. CVE-2023-21492 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-06-09.

What is the CVSS score for CVE-2023-21492?

CVE-2023-21492 has a CVSS v3 base score of 4.4 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record