CVE-2023-29091

An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding an SIP URI.

Published: 2023-04-14 Last update: 2025-02-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-29091 is rated Moderate Risk (45.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.80%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-29091

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.65% 0.80% +0.16%
2 2026-04-16 0.26% 0.65% +0.39%
3 2026-04-15 0.26%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-29091

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 3.1 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.2 4.0 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-29091

Affected software / configurations for CVE-2023-29091

Vendor Product Version Raw CPE
samsung exynos_5300_firmware cpe:2.3:o:samsung:exynos_5300_firmware:-:*:*:*:*:*:*:*
samsung exynos_5123_firmware cpe:2.3:o:samsung:exynos_5123_firmware:-:*:*:*:*:*:*:*
samsung exynos_980_firmware cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*
samsung exynos_9110_firmware cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:*
samsung exynos_1080_firmware cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*
samsung exynos_auto_t5123_firmware cpe:2.3:o:samsung:exynos_auto_t5123_firmware:-:*:*:*:*:*:*:*

References for CVE-2023-29091

cvelogic Threat Intelligence