TI-2021-11465 Aliases CVE-2021-31294 GHSA-g2jg-2qcv-q3h9

Redis before 6cbea7d allows a replica to cause an assertion failure in a primary server…

MEDIUM 60CWE-617Published 2023-07-15 · Updated 2024-10-30

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-617.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01309 70th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:redis:redis::::::::	before 6.2.0	Vulnerable	Redis

cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:* Versions before 6.2.0 Vulnerable ·Redis

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat 3scale API Management Platform 2	Affected	No fix yet
Red Hat Ansible Automation Platform 1.2	Affected	No fix planned: Will not fix
Red Hat Enterprise Linux 8	Affected	No fix planned: Will not fix
Red Hat Fuse 7	Affected	No fix planned: Will not fix
Red Hat OpenStack Platform 16.1	Affected	No fix planned: Will not fix
Red Hat Software Collections	Affected	No fix planned: Will not fix

Not affected: 7 products

Red Hat Advanced Cluster Management for Kubernetes 2
Red Hat Enterprise Linux 9
Red Hat OpenStack Platform 16.1
Red Hat OpenStack Platform 17.0
Red Hat OpenStack Platform 17.1
Red Hat OpenStack Platform 18.0
Red Hat Satellite 6

Timeline

2026-10-02 Threatist record created from CVE-2021-31294
2026-10-03 Alias added: GHSA-g2jg-2qcv-q3h9

References

Exploit 1

https://github.com/redis/redis/issues/8712

Patch 2

Other 1

https://security.netapp.com/advisory/ntap-20230814-0007/

TI-2022-00463 Missing authorization in Debian redis KEVCVSS 3.1CRITICAL 10.0
TI-2025-31759 Redis Lua Use-After-Free may lead to remote code execution CVSS 3.1CRITICAL 10.0
TI-2023-18618 Heap overflow in COMMAND GETKEYS and ACL evaluation in Redis CVSS 3.1HIGH 8.8
TI-2024-20813 Lua library commands may lead to stack overflow and RCE in Redis CVSS 3.1HIGH 8.8
TI-2022-08647 Heap overflow issue with the Lua cjson library used by Redis CVSS 3.1HIGH 8.8
TI-2022-08549 Lua scripts can be manipulated to overcome ACL rules in Redis CVSS 3.1HIGH 7.8

See all 45 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences