CVE-2015-10004

Timing side-channel in github.com/robbert229/jwt

HIGH
7.5
CVSS Score
Published: December 27, 2022 at 09:13 PM UTC
Updated: June 17, 2026 at 12:21 AM UTC
2 products affected across 2 vendorsJSON Web TokenWeb Token Project JSON Web Token

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

Token validation methods are susceptible to a timing side-channel during HMAC comparison. With a large enough number of requests over a low latency connection, an attacker may use this to determine the expected HMAC.

Affected

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

v < 0.0.0-20170426191122-ca1404ee6e83
Affected range stops below 0.0.0-20170426191122-ca1404ee6e83, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-668

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