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CVE-2023-28859

22
FAUCET Score

CVE-2023-28859 is a data leakage vulnerability affecting redis-py versions before 4.4.4 and 4.5.x before 4.5.4. It occurs when an async Redis command is canceled, leaving a connection open and potentially sending unrelated response data to a different client. Rated Medium (CVSS 6.5), this flaw could lead to unauthorized information disclosure (C:H) with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.2.0, < 4.4.4CPE matchmatch criteria
cpe:2.3:a:redis:redis-py:*:*:*:*:*:*:*:*
>= 4.5.0, < 4.5.4CPE matchmatch criteria
cpe:2.3:a:redis:redis-py:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 74th percentile among its peer group of 21,958 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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 (5)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: redisFixed in: 4.5.4
pippatch availablevia ghsa
Product: redisFixed in: 4.4.4
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-8fww-64cx-x8p5high

redis-py Race Condition due to incomplete fix

Mar 26, 2023
redhatCVE-2023-28859Moderate

redis: Async command information disclosure

Mar 26, 2023

References

github.com / redis/redis-py/issues/2665
Issue TrackingPatchVendor Advisory
github.com / redis/redis-py/pull/2641
Issue TrackingPatch
github.com / redis/redis-py/pull/2666
Release Notes
github.com / redis/redis-py/releases/tag/v4.4.4
Release Notes
github.com / redis/redis-py/releases/tag/v4.5.4
Release Notes