Open5GS MME up to 2.6.4 UE Context Release Request Packet MME_UE_S1AP_ID denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Open5GS MME up to 2.6.4. This issue affects some unknown processing of the component UE Context Release Request Packet Handler. Such manipulation of the argument MME_UE_S1AP_ID leads to denial of service. This vulnerability is referenced as CVE-2023-37022. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Open5GS MME up to 2.6.4 and classified as critical. Affected by this issue is an unknown functionality of the component UE Context Release Request Packet Handler. The manipulation of the argument MME_UE_S1AP_ID with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.

The advisory is shared for download at cellularsecurity.org. This vulnerability is handled as CVE-2023-37022 since 06/28/2023. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

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-2023-40942). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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

06/28/2023 🔍
01/22/2025 +574 days 🔍
01/22/2025 +0 days 🔍
01/15/2026 +358 days 🔍

Sourcesinfo

Advisory: cellularsecurity.org
Status: Not defined

CVE: CVE-2023-37022 (🔍)
GCVE (CVE): GCVE-0-2023-37022
GCVE (VulDB): GCVE-100-293000
EUVD: 🔍

Entryinfo

Created: 01/22/2025 16:58
Updated: 01/15/2026 06:52
Changes: 01/22/2025 16:58 (20), 01/22/2025 17:01 (34), 03/19/2025 00:08 (1), 01/15/2026 06:52 (1)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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