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CVE-2023-28858

17
FAUCET Score

CVE-2023-28858 affects redis-py versions prior to 4.5.3, where an improperly closed connection after canceling an async Redis command can lead to response data from one request being sent to an unrelated client. This vulnerability has a low CVSS score of 3.7, indicating a network-based attack with high complexity, but only results in a low impact on confidentiality. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.2.0, < 4.3.6CPE matchmatch criteria
cpe:2.3:a:redis:redis-py:*:*:*:*:*:*:*:*
>= 4.4.0, < 4.4.3CPE matchmatch criteria
cpe:2.3:a:redis:redis-py:*:*:*:*:*:*:*:*
>= 4.5.0, < 4.5.3CPE matchmatch criteria
cpe:2.3:a:redis:redis-py:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
59.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0102 is in the 39th percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: redisFixed in: 4.4.3
pippatch availablevia ghsa
Product: redisFixed in: 4.5.3
pippatch availablevia ghsa
Product: redisFixed in: 4.3.6
redhatno patchvia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-rhel8
redhatend of lifevia redhat_api
Product: Red Hat Ansible Automation Platform 1.2Fixed in: ansible-tower

Vendor Advisories (2)

pipGHSA-24wv-mv5m-xv4hmedium

redis-py Race Condition vulnerability

Mar 26, 2023
redhatCVE-2023-28858Moderate

redis: Async command information disclosure

Mar 26, 2023

References

github.com / redis/redis-py/compare/v4.3.5...v4.3.6
Patch
github.com / redis/redis-py/compare/v4.4.2...v4.4.3
Patch
github.com / redis/redis-py/compare/v4.5.2...v4.5.3
Patch
github.com / redis/redis-py/issues/2624
Issue Tracking
github.com / redis/redis-py/pull/2641
Issue TrackingPatch
openai.com / blog/march-20-chatgpt-outage
Third Party Advisory