CVE-2024-25191

CRITICALNVD 9.89.8—Elevated

9.8

php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 22.1%
KEV: Not listed

Published

February 8, 2024

Last Modified

June 12, 2025

References (2)

cve@mitrehttps://github.com/P3ngu1nW/CVE_Request/blob/main/cdoco%3Aphp-jwt.md
af854a3a-2127-422b-91ae-364da2661108https://github.com/P3ngu1nW/CVE_Request/blob/main/cdoco%3Aphp-jwt.md

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-203Observable Discrepancy (Information Exposure via Side Channel)

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2024-25191?

CVE-2024-25191 is a critical vulnerability published on February 8, 2024. php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.

When was CVE-2024-25191 disclosed?

CVE-2024-25191 was first published in the National Vulnerability Database on February 8, 2024, with the most recent update on June 12, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-25191 actively exploited?

CVE-2024-25191 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-25191?

CVE-2024-25191 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2024-25191?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-25191, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-25191

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-25191?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)