Samsung Exynos 9110/Exynos Modem 5123/Exynos Modem 5300 2G out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Samsung Exynos 9110, Exynos Modem 5123 and Exynos Modem 5300. Affected by this vulnerability is an unknown functionality of the component 2G. Such manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2023-50807. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Samsung Exynos 9110, Exynos Modem 5123 and Exynos Modem 5300 (affected version unknown). It has been rated as critical. Affected by this issue is an unknown functionality of the component 2G. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability was discovered in Samsung Wearable Processor and Modems with versions Exynos 9110, Exynos Modem 5123, Exynos Modem 5300 that allows an out-of-bounds write in the heap in 2G (no auth).

The advisory is shared for download at semiconductor.samsung.com. This vulnerability is handled as CVE-2023-50807 since 12/14/2023. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/05/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-55540). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.1
VulDB Temp Score: 8.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (MITRE): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/14/2023 🔍
07/09/2024 +207 days 🔍
07/09/2024 +0 days 🔍
03/05/2026 +604 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-50807 (🔍)
GCVE (CVE): GCVE-0-2023-50807
GCVE (VulDB): GCVE-100-270908
EUVD: 🔍

Entryinfo

Created: 07/09/2024 22:00
Updated: 03/05/2026 13:17
Changes: 07/09/2024 22:00 (62), 07/10/2024 21:00 (1), 03/05/2026 13:17 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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