CVE-2022-39881
Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR...
Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR Sep-2022 Release allows remote attacker to read out of bounds memory.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR Sep-2022 Release allows remote attacker to read out of bounds memory.
- Record
CVE-2022-39881- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2022-42326
Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR Sep-2022 Release allows remote attacker to read out of bounds memory.
- Record
EUVD-2022-42326- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3q99-27hh-rcx8
Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR...
Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR Sep-2022 Release allows remote attacker to read out of bounds memory.
- Record
GHSA-3q99-27hh-rcx8- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR Sep-2022 Release allows remote attacker to read out of bounds memory.
- Record
CVE-2022-39881- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-39881 is a medium vulnerability (CVSS 5.3) in Samsung Exynos Firmware, published November 9, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. No source names a fixed version.