What is the CVSS score of CVE-2020-25747?

CVE-2020-25747 has a CVSS 3.1 base score of 9.4 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H. EPSS exploitation probability: 1.8%.

Rv 3406 Firmware CVE-2020-25747

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2020-09-25 cve@mitre.org

Authentication Bypass Rv 3406 Firmware Rv 3409 Firmware Rv 3411 Firmware

9.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.4 CRITICAL

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

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:L/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

High

Lifecycle Timeline

CVE Published

Sep 25, 2020 - 04:23 nvd

CRITICAL 9.4

DescriptionNVD

The Telnet service of Rubetek RV-3406, RV-3409, and RV-3411 cameras (firmware versions v342, v339) can allow a remote attacker to gain access to RTSP and ONFIV services without authentication. Thus, the attacker can watch live streams from the camera, rotate the camera, change some settings (brightness, clarity, time), restart the camera, or reset it to factory settings.

AnalysisAI

The Telnet service of Rubetek RV-3406, RV-3409, and RV-3411 cameras (firmware versions v342, v339) can allow a remote attacker to gain access to RTSP and ONFIV services without authentication. Rated critical severity (CVSS 9.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. The Telnet service of Rubetek RV-3406, RV-3409, and RV-3411 cameras (firmware versions v342, v339) can allow a remote attacker to gain access to RTSP and ONFIV services without authentication. Thus, the attacker can watch live streams from the camera, rotate the camera, change some settings (brightness, clarity, time), restart the camera, or reset it to factory settings. Affected products include: Rubetek Rv-3406 Firmware, Rubetek Rv-3409 Firmware, Rubetek Rv-3411 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.