What is the CVSS score of CVE-2021-31477?

CVE-2021-31477 has a CVSS 3.1 base score of 7.3 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 2.6%.

Reason Rpv311 Firmware CVE-2021-31477

HIGH

Use of Hard-coded Credentials (CWE-798)

2021-06-16 zdi-disclosures@trendmicro.com

RCE Authentication Bypass Reason Rpv311 Firmware

7.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.3 HIGH

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

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:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

CVE Published

Jun 16, 2021 - 23:15 nvd

HIGH 7.3

DescriptionNVD

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GE Reason RPV311 14A03. Authentication is not required to exploit this vulnerability. The specific flaw exists within the firmware and filesystem of the device. The firmware and filesystem contain hard-coded default credentials. An attacker can leverage this vulnerability to execute code in the context of the download user. Was ZDI-CAN-11852.

AnalysisAI

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GE Reason RPV311 14A03. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GE Reason RPV311 14A03. Authentication is not required to exploit this vulnerability. The specific flaw exists within the firmware and filesystem of the device. The firmware and filesystem contain hard-coded default credentials. An attacker can leverage this vulnerability to execute code in the context of the download user. Was ZDI-CAN-11852. Affected products include: Ge Reason Rpv311 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.