CVE & CISA-KEV Catalog

CVE-2023-21492

MEDIUMCISA KEVEPSS 84th pctl
4.4
CVSS v3
NVD

Description

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

How to fix

Actively exploited, no published fix found yet

CISA required action: Apply updates per vendor instructions.

Federal remediation due: 2023-06-09

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

2.55%probability of exploitation in 30 days
84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability

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.

Apply updates per vendor instructions.

Remediation due: 2023-06-09

References

Government Resource1

Related Vulnerabilities

Other CWE-532 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2019-1622Medium5.379%--
CVE-2020-35234High7.565%-Fix
CVE-2023-43261High7.559%-Fix
CVE-2024-20440High7.552%--
CVE-2018-3609High8.121%--
CVE-2018-8719Medium5.317%--

Common questions

How do I fix CVE-2023-21492?

No published fix for CVE-2023-21492 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2023-06-09. Apply the vendor's mitigations per CISA's guidance.

Is CVE-2023-21492 being actively exploited?

Yes. CVE-2023-21492 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2023-06-09. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2023-21492?

CVE-2023-21492 has a CVSS v3 base score of 4.4, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-28.