How severe is CVE-2018-1000025?

CVE-2018-1000025 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1000025 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000025?

CVE-2018-1000025 affects Firebase Admin Sdk For Php Project Firebase Admin Sdk For Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000025?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1000025 published?

CVE-2018-1000025 was published on 2018-02-09 and last updated on 2026-06-17.

CVE-2018-1000025

CVE-2018-1000025 is a high-severity vulnerability in Firebase Admin Sdk For Php Project Firebase Admin Sdk For Php with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Firebase Admin Sdk For Php Project Firebase Admin Sdk For Php
Published: 2018-02-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-1000025?: 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.
How severe is CVE-2018-1000025?: CVE-2018-1000025 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1000025 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000025?: CVE-2018-1000025 affects Firebase Admin Sdk For Php Project Firebase Admin Sdk For Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000025?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1000025 published?: CVE-2018-1000025 was published on 2018-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:firebase_admin_sdk_for_php_project:firebase_admin_sdk_for_php:*:*:*:*:*:*:*:*

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