CVE-2018-1000025

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-02-09 · updated 2026-06-17
Weakness: CWE-732

Description

Jerome Gamez Firebase Admin SDK for PHP version from 3.2.0 to 3.8.0 contains a Incorrect Access Control vulnerability in src/Firebase/Auth/IdTokenVerifier.php does not verify for token signature that can result in JWT with any email address and user ID could be forged from an actual token, or from thin air. This attack appear to be exploitable via Attacker would only need to know email address of the victim on most cases.. This vulnerability appears to have been fixed in 3.8.1.

Affected products

Firebase Admin Sdk For Php Project Firebase Admin Sdk For Php: from 3.2.0 through 3.8.0

References

https://github.com/kreait/firebase-php/pull/151
https://github.com/kreait/firebase-php/releases/tag/3.8.1
https://github.com/kreait/firebase-php/pull/151
https://github.com/kreait/firebase-php/releases/tag/3.8.1

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