CVE-2021-30494

Name: CVE-2021-30494
Creator: NVD / NIST
Published: 2021-04-14T15:15:14.753+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2021-30494 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Multiple system services installed alongside the Razer Synapse 3 software suite perform privileged operations on entries within the Razer Chroma SDK subkey. These privileged operations consist of file name concatenation of a runtime log file that is used to store runtime log information. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

Multiple system services installed alongside the Razer Synapse 3 software suite perform privileged operations on entries within the Razer Chroma SDK subkey. These privileged operations consist of file name concatenation of a runtime log file that is used to store runtime log information. In other words, an attacker can create a file in an unintended directory (with some limitations).

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.50%

38.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Razer	Synapse	3.5.1030.101917

References

https://versprite.com/advisories/razer-synapse-3-1/Third Party Advisory
https://versprite.com/blog/security-research/razer-synapse-3-security-vulnerability-analysis-report/Exploit, Third Party Advisory
https://versprite.com/security-resources/Third Party Advisory
https://versprite.com/advisories/razer-synapse-3-1/Third Party Advisory
https://versprite.com/blog/security-research/razer-synapse-3-security-vulnerability-analysis-report/Exploit, Third Party Advisory
https://versprite.com/security-resources/Third Party Advisory

Timeline

Published: Apr 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30494?

How severe is CVE-2021-30494?

CVE-2021-30494 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30494?

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-2021-30494?

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

Scan your code now

Source: NVD / NIST