FlexRIC 2.0.0 E2AP Protocol e2ap_create_pdu denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in FlexRIC 2.0.0 and classified as problematic. This affects the function e2ap_create_pdu of the component E2AP Protocol Handler. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2026-37229. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in FlexRIC 2.0.0 and classified as problematic. This issue affects the function e2ap_create_pdu of the component E2AP Protocol Handler. The manipulation 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. The summary by CVE is:

FlexRIC v2.0.0 contains a reachable assertion in e2ap_create_pdu() triggered when ASN.1 PER decoding fails. A remote unauthenticated attacker can send any non-PER byte sequence (e.g., a single 0x00 byte) over SCTP to the near-RT RIC (port 36421) or iApp (port 36422) to crash the process via SIGABRT. The assertion is reached before any protocol-level validation occurs. All three E2AP protocol versions (v1.01, v2.03, v3.01) are affected.

It is possible to read the advisory at gitlab.eurecom.fr. The identification of this vulnerability is CVE-2026-37229 since 04/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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-2026-37229 (🔒)
GCVE (CVE): GCVE-0-2026-37229
GCVE (VulDB): GCVE-100-367727

Entryinfo

Created: 06/01/2026 21:42
Updated: 06/07/2026 16:03
Changes: 06/01/2026 21:42 (53), 06/07/2026 16:03 (11)
Complete: 🔍
Cache ID: 216::103

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