CVE-2021-31477

Name: CVE-2021-31477
Creator: NVD / NIST
Published: 2021-06-16T23:15:07.993+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 2.64%

Last modified Jun 17, 2026

CVE-2021-31477 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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. EPSS estimates a 2.64% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

2.64%

83.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Ge	Reason Rpv311 Firmware	14a03

References

https://www.gegridsolutions.com/products/support/GES-2021-005%20-%20RPV311%20Security%20Notice.pdfVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-616/Third Party Advisory, VDB Entry
https://www.gegridsolutions.com/products/support/GES-2021-005%20-%20RPV311%20Security%20Notice.pdfVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-616/Third Party Advisory, VDB Entry

Timeline

Published: Jun 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31477?

How severe is CVE-2021-31477?

CVE-2021-31477 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 2.64% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31477?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31477?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST