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CVE-2021-31294

MEDIUMCVSS 5.9/10EPSS 1.31%

Last modified

CVE-2021-31294 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Redis before 6cbea7d allows a replica to cause an assertion failure in a primary server by sending a non-administrative command (specifically, a SET command). NOTE: this was fixed for Redis 6.2.x and 7.x in 2021. EPSS estimates a 1.31% chance of exploitation in the next 30 days.

Description

Redis before 6cbea7d allows a replica to cause an assertion failure in a primary server by sending a non-administrative command (specifically, a SET command). NOTE: this was fixed for Redis 6.2.x and 7.x in 2021. Versions before 6.2 were not intended to have safety guarantees related to this.

Metrics

CVSS 3.1
5.9/10

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

EPSS Probability
1.31%

67.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RedisRedis< 6.2.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-31294?
Redis before 6cbea7d allows a replica to cause an assertion failure in a primary server by sending a non-administrative command (specifically, a SET command). NOTE: this was fixed for Redis 6.2.x and 7.x in 2021. Versions before 6.2 were not intended to have safety guarantees related to this.
How severe is CVE-2021-31294?
CVE-2021-31294 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31294?
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-2021-31294?

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

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Source: NVD / NIST