VulnerabilityModified

CVE-2022-39881

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.

CRITICAL 9.1EPSS 0.90%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS: 0.90% probability · 58th percentile
CISA KEV: Not listed
Weakness: CWE-20, CWE-125
Affected: samsung/exynos firmware
Source: mobile.security@samsung.com

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2022&month=11Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2022&month=11Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.