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CVE-2025-30064

Possibility to generate a session for any user via the "ex:action" parameter after obtaining access to the JWT key

HIGH
8.8
CVSS Score
Published: August 27, 2025 at 10:25 AM UTC
Updated: June 17, 2026 at 09:08 AM UTC
1 product affected across 1 vendorCLININET

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Severity
HIGH8.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

An insufficiently secured internal function allows session generation for arbitrary users. The decodeParam function checks the JWT but does not verify which signing algorithm was used. As a result, an attacker can use the "ex:action" parameter in the VerifyUserByThrustedService function to generate a session for any user.

Affected

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

CLININET· Cgm
60%
v < 2025.MS2
Affected range stops below 2025.MS2, 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://cert.pl/en/posts/2025/08/CVE-2025-2313/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGHCERT-PL
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-347CWE-912

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