What is the CVSS score of CVE-2021-40379?

CVE-2021-40379 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 21.6%.

Is there a public PoC exploit available for CVE-2021-40379?

Yes, a public proof-of-concept exploit is available for CVE-2021-40379. Prioritise patching immediately. EPSS: 21.6%.

Ip70 Firmware CVE-2021-40379

HIGH

Missing Authorization (CWE-862)

2021-09-01 cve@mitre.org

Authentication Bypass Ip70 Firmware Ip570 Firmware Ip60 Firmware Tn540 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Sep 01, 2021 - 18:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered on Compro IP70 2.08_7130218, IP570 2.08_7130520, IP60, and TN540 devices. rstp://.../medias2 does not require authorization.

AnalysisAI

An issue was discovered on Compro IP70 2.08_7130218, IP570 2.08_7130520, IP60, and TN540 devices. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. An issue was discovered on Compro IP70 2.08_7130218, IP570 2.08_7130520, IP60, and TN540 devices. rstp://.../medias2 does not require authorization. Affected products include: Comprotech Ip70 Firmware, Comprotech Ip570 Firmware, Comprotech Ip60 Firmware, Comprotech Tn540 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.