What is the CVSS score of CVE-2018-20576?

CVE-2018-20576 has a CVSS 3.0 base score of 5.4 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2018-20576?

Yes, a public proof-of-concept exploit is available for CVE-2018-20576. Prioritise patching immediately. EPSS: 0.4%.

Arv7519Rw22 Livebox 2 1 Firmware CVE-2018-20576

MEDIUM

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

2018-12-28 cve@mitre.org

CSRF Arv7519Rw22 Livebox 2 1 Firmware

5.4

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

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:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Dec 28, 2018 - 17:29 nvd

MEDIUM 5.4

DescriptionNVD

Orange Livebox 00.96.320S devices allow cgi-bin/autodialing.exe and cgi-bin/phone_test.exe CSRF, leading to arbitrary outbound telephone calls to an attacker-specified telephone number. This is related to Firmware 01.11.2017-11:43:44, Boot v0.70.03, Modem 5.4.1.10.1.1A, Hardware 02, and Arcadyan ARV7519RW22-A-L T VR9 1.2.

AnalysisAI

Orange Livebox 00.96.320S devices allow cgi-bin/autodialing.exe and cgi-bin/phone_test.exe CSRF, leading to arbitrary outbound telephone calls to an attacker-specified telephone number. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and 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. Orange Livebox 00.96.320S devices allow cgi-bin/autodialing.exe and cgi-bin/phone_test.exe CSRF, leading to arbitrary outbound telephone calls to an attacker-specified telephone number. This is related to Firmware 01.11.2017-11:43:44, Boot v0.70.03, Modem 5.4.1.10.1.1A, Hardware 02, and Arcadyan ARV7519RW22-A-L T VR9 1.2. Affected products include: Orange Arv7519Rw22 Livebox 2.1 Firmware.

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.