Grandstream GXP14XX/GXP16XX End-User Session-Identity Token access control

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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Grandstream GXP14XX and GXP16XX. The impacted element is an unknown function of the component End-User Session-Identity Token Handler. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2023-50015. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Grandstream GXP14XX and GXP16XX (affected version not known) and classified as critical. This issue affects some unknown functionality of the component End-User Session-Identity Token Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Grandstream GXP14XX 1.0.8.9 and GXP16XX 1.0.7.13, allows remote attackers to escalate privileges via incorrect access control using an end-user session-identity token.

The weakness was disclosed 03/09/2024. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-50015 since 12/04/2023. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/26/2024). The attack technique deployed by this issue is T1068 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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

12/04/2023 🔍
03/09/2024 +96 days 🔍
03/09/2024 +0 days 🔍
08/26/2024 +170 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-50015 (🔍)
GCVE (CVE): GCVE-0-2023-50015
GCVE (VulDB): GCVE-100-256307

Entryinfo

Created: 03/09/2024 11:09
Updated: 08/26/2024 18:55
Changes: 03/09/2024 11:09 (37), 08/26/2024 18:55 (27)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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