CVE-2023-21492
MediumExploitedPublic exploitKernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.
Published Aug 9, 2023 · Updated Oct 21, 2025
Key Facts
Patch immediately- CVE-2023-21492 is a medium-severity vulnerability (CVSS 4.4 v3.1) affecting Android (Samsung), Samsung Mobile Devices.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 17, 2021. Public exploit code is available.
- EPSS estimates a 2.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including Samsung Mobile Devices SMR May-2023 Release 1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
2.6%
Higher than 84.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-21492 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | May 19, 2023 | Jun 9, 2023 | Not reported |
| Industry KEV feed | Jan 17, 2021 | Jun 9, 2023 | Not reported |
| CIRCL KEV | May 19, 2023 | Jun 9, 2023 | Not reported |
| ENISA EUVD | May 19, 2023 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
69 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AndroidSamsung | 11.0, 11.0-smr-apr-2021-r1, 11.0-smr-apr-2022-r1, 11.0-smr-apr-2023-r1, 11.0-smr-aug-2021-r1, 11.0-smr-aug-2022-r1, 11.0-smr-dec-2020-r1, 11.0-smr-dec-2021-r1 | n/a |
| Samsung Mobile Devices | >= Selected Android 11, 12, 13 devices | SMR May-2023 Release 1 |
Patched Releases
Samsung Mobile Devices
SMR May-2023 Release 1
Timeline
Added to Industry KEV feed
Jan 17, 2021
Added to CISA KEV
May 19, 2023
Added to CIRCL KEV
May 19, 2023
Added to ENISA EUVD
May 19, 2023
Publicly disclosed
Aug 9, 2023
Last updated
Oct 21, 2025
Weakness Type
- CWE-532 Insertion of Sensitive Information into Log File
References
- advisoryhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29374
- advisoryhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34830
- advisoryhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40510
- advisoryhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20780
- advisoryhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20965
FAQ
Common Questions.
Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.
Affected: Android (Samsung) versions 11.0, 11.0-smr-apr-2021-r1, 11.0-smr-apr-2022-r1, 11.0-smr-apr-2023-r1, 11.0-smr-aug-2021-r1, 11.0-smr-aug-2022-r1, 11.0-smr-dec-2020-r1, 11.0-smr-dec-2021-r1; Samsung Mobile Devices versions >= Selected Android 11, 12, 13 devices. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 17, 2021.
Yes. It was added on May 19, 2023 with a federal remediation due date of Jun 9, 2023.
Public exploit code is available.
Fixed versions are available, including Samsung Mobile Devices SMR May-2023 Release 1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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