How severe is CVE-2023-21492?

CVE-2023-21492 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-21492 being actively exploited?

Yes. CVE-2023-21492 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-05-19, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-21492?

CVE-2023-21492 primarily affects Samsung Android. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-21492?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-21492 have an EU (EUVD) identifier?

Yes. CVE-2023-21492 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25660. It is also flagged as exploited in the EUVD (since 2023-05-19).

When was CVE-2023-21492 published?

CVE-2023-21492 was published on 2023-05-04 and last updated on 2026-06-17.

CVE-2023-21492

CVE-2023-21492 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 4.4. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-05-19). The underlying weakness is classified as CWE-532.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Yes — listed in CISA KEV (added 2023-05-19)
EU (EUVD) id: EUVD-2023-25660
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2023-05-19)
Weakness: CWE-532
Affected product: Samsung Android
Published: 2023-05-04
Last modified: 2026-06-17

Description

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

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.
How severe is CVE-2023-21492?: CVE-2023-21492 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-21492 being actively exploited?: Yes. CVE-2023-21492 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-05-19, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-21492?: CVE-2023-21492 primarily affects Samsung Android. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-21492?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-21492 have an EU (EUVD) identifier?: Yes. CVE-2023-21492 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25660. It is also flagged as exploited in the EUVD (since 2023-05-19).
When was CVE-2023-21492 published?: CVE-2023-21492 was published on 2023-05-04 and last updated on 2026-06-17.

References

Affected products (68)

cpe:2.3:o:samsung:android:11.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-apr-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-apr-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-aug-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-dec-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-dec-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-feb-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jan-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jan-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jul-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jul-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jun-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jun-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-mar-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-mar-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-mar-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-may-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-may-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-nov-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-nov-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-oct-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-oct-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-sep-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-sep-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-apr-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-dec-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jan-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jan-2023-r1:*:*:*:*:*:*

More vulnerabilities in Samsung Android

CVE-2023-21456 — Critical (CVSS 9.0): Path traversal vulnerability in Galaxy Themes Service prior to SMR Mar-2023 Release 1 allows attacker to access…
CVE-2025-21043 — High (CVSS 8.8): Out-of-bounds write in libimagecodec.quram.so prior to SMR Sep-2025 Release 1 allows remote attackers to execute…
CVE-2025-21042 — High (CVSS 8.8): Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute…
CVE-2025-20936 — High (CVSS 8.8): Improper access control in HDCP trustlet prior to SMR Apr-2025 Release 1 allows local attackers with shell privilege to…
CVE-2023-21480 — High (CVSS 8.5): Improper input validation vulnerability in CertByte prior to SMR Apr-2023 Release 1 allows local attackers to launch…
CVE-2023-30692 — High (CVSS 8.5): Improper input validation vulnerability in Evaluator prior to SMR Oct-2023 Release 1 allows local attackers to launch…

All CVEs affecting Samsung Android →

Other CWE-532 (Insertion of Sensitive Information into Log File) vulnerabilities

CVE-2022-36407 — Critical (CVSS 9.9): Insertion of Sensitive Information into Log File vulnerability in Hitachi Virtual Storage Platform, Hitachi Virtual…
CVE-2023-40029 — Critical (CVSS 9.9): Argo CD is a declarative continuous deployment for Kubernetes. Argo CD Cluster secrets might be managed declaratively…
CVE-2021-32724 — Critical (CVSS 9.9): check-spelling is a github action which provides CI spell checking. In affected versions and for a repository with the…
CVE-2026-49200 — Critical (CVSS 9.8): The acer_cgi.log file in the device firmware is accessible without authentication via the web interface. This file…
CVE-2026-22778 — Critical (CVSS 9.8): vLLM is an inference and serving engine for large language models (LLMs). From 0.8.3 to before 0.14.1, when an invalid…
CVE-2025-11008 — Critical (CVSS 9.8): The CE21 Suite plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and…

Browse all CWE-532 (Insertion of Sensitive Information into Log File) vulnerabilities →