VDB-403409 · CVE-2023-37366 · EUVD-2023-60665

Samsung Exynos infinite loop

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.60-

Summaryinfo

A vulnerability classified as critical has been found in Samsung Exynos. The affected element is an unknown function. The manipulation leads to infinite loop. This vulnerability is traded as CVE-2023-37366. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Samsung Exynos (version now known). This issue affects some unknown processing. The manipulation with an unknown input leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability. The summary by CVE is:

An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem Exynos 9810, Exynos 9610, Exynos 9820, Exynos 980, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos Modem 5123, Exynos Modem 5300, an Exynos Auto T5123. In the Shannon SM Task, improper handling of a loop with an unreachable exit condition cannot guarantee the termination of a required service via a malformed SM message.

The advisory is shared at semiconductor.samsung.com. The identification of this vulnerability is CVE-2023-37366 since 06/30/2023. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

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-2023-60665). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Samsung

Name

Exynos

License

commercial

Website

Vendor: https://www.samsung.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 2.8
CNA Vector (MITRE): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/30/2023 CVE reserved
09/14/2026 +1172 days Advisory disclosed
09/14/2026 +0 days VulDB entry created
09/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Not defined

CVE: CVE-2023-37366 (🔒)
GCVE (CVE): GCVE-0-2023-37366
GCVE (VulDB): GCVE-100-403409
EUVD: 🔒

Entryinfo

Created: 09/14/2026 07:46
Updated: 09/14/2026 09:34
Changes: 09/14/2026 07:46 (59), 09/14/2026 09:34 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.