CVE-2018-1000025 json
Jerome Gamez Firebase Admin SDK for PHP Incorrect Access Control vulnerability
published 2018-02-09 8 y ago modified 2026-06-17 4 mo ago also GHSA-4gjj-r7w8-42cq , EUVD-2022-2377
- cvss
- 8.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- packagist kreait/firebase-php 3.8.1
- github.com/kreait/firebase-php#151 pull request
- github.com/kreait/firebase-php/releases/tag/3.8.1 release
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | kreait/firebase-php | >=3.2.0, <3.8.1 |
3.8.1 |
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
github.com
/kreait/firebase-php/pull/151
web, third-party-advisory
-
github.com
/kreait/firebase-php/releases/tag/3.8.1
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-1000025
advisory
-
github.com
/FriendsOfPHP/security-advisories/blob/master/kreait/firebase-php/CVE-2018-1000025.yaml
web
-
github.com
/kreait/firebase-php
package
Sources
- CVE List CVE-2018-1000025
- GitHub Advisory GHSA-4gjj-r7w8-42cq
- NVD CVE-2018-1000025
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