Review reviewHigh

CVE-2020-21468

redis

A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.

CVSS
7.5
EPSS
1.19%
65.0% percentile
CISA KEV
Not listed
Published
2021.09.21
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.19%
Technical severityCVSS 7.5

Vulnerability overview

A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.

Affected product and versions

Product
redis
Affected versions
5.0.7
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that redis and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Not available