What is the CVSS score of CVE-2019-9231?

CVE-2019-9231 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Mediant 500L Msbr Firmware CVE-2019-9231

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2019-07-18 cve@mitre.org

CSRF Mediant 500L Msbr Firmware Mediant 500 Mbsr Firmware Mediant M800B Msbr Firmware Mediant 800C Msbr Firmware

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 18, 2019 - 16:15 nvd

HIGH 8.8

DescriptionNVD

An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions before 7.20A.202.307. A Cross-Site Request Forgery (CSRF) vulnerability in the management web interface allows remote attackers to execute malicious and unauthorized actions, because CSRFProtection=1 is not a default and is not documented.

AnalysisAI

An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions before 7.20A.202.307. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions before 7.20A.202.307. A Cross-Site Request Forgery (CSRF) vulnerability in the management web interface allows remote attackers to execute malicious and unauthorized actions, because CSRFProtection=1 is not a default and is not documented. Affected products include: Audiocodes Mediant 500L-Msbr Firmware, Audiocodes Mediant 500-Mbsr Firmware, Audiocodes Mediant M800B-Msbr Firmware, Audiocodes Mediant 800C-Msbr Firmware. Version information: before 7.20.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.