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CVE-2023-27531

MEDIUM
5.3
CVSS Score
Published: January 9, 2025 at 12:33 AM UTC
Updated: June 17, 2026 at 05:45 AM UTC
1 product affected across 1 vendorKredis

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

There is a deserialization of untrusted data vulnerability in the Kredis JSON deserialization code

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kredis· Rails
60%
v < 1.3.0.1
Affected range stops below 1.3.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]
https://discuss.rubyonrails.org/t/cve-2023-27531-possible-deserialization-of-untrusted-data-vulnerability-in-kredis-json/82467

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-502

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