FlexRIC 2.0.0 Data Structure denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in FlexRIC 2.0.0. It has been classified as problematic. Affected is an unknown function of the component Data Structure Handler. This manipulation causes denial of service. The identification of this vulnerability is CVE-2026-37231. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in FlexRIC 2.0.0. It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Data Structure Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

FlexRIC v2.0.0 uses a uint16_t counter for xapp_id assignment but stores the value in uint32_t message fields. After 65,530+ E42_SETUP_REQUESTs, the 16-bit counter wraps around and produces duplicate xapp_ids. The iApp (port 36422) crashes when attempting to register a duplicate ID in its internal data structure. A remote attacker can trigger this by repeatedly connecting and requesting new xApp registrations.

The advisory is shared at gitlab.eurecom.fr. This vulnerability is known as CVE-2026-37231 since 04/06/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

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

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

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

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

04/06/2026 CVE reserved
06/01/2026 +56 days Advisory disclosed
06/01/2026 +0 days VulDB entry created
06/07/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: gitlab.eurecom.fr
Status: Not defined

CVE: CVE-2026-37231 (🔒)
GCVE (CVE): GCVE-0-2026-37231
GCVE (VulDB): GCVE-100-367729

Entryinfo

Created: 06/01/2026 21:44
Updated: 06/07/2026 16:03
Changes: 06/01/2026 21:44 (52), 06/07/2026 16:03 (11)
Complete: 🔍
Cache ID: 216::103

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