🛡️ CVE-2021-37704 — phpfastcache

⚪ Unknown ✅ No Known Exploit CWE-200 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Exposed phpinfo() leadked via documentation files

Impact

The phpinfo() can be exposed if the /vendor is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc).

Patches

Only the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5.

Older versions such as v5, v4 are not longer supported and will NOT be patched.

Workarounds

Protect the /vendor directory from public access.

References

The first issue revealing this vulnerability is located here: https://github.com/flextype/flextype/issues/567

V6 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/815

V7 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/814

V8 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/813

For more information

If you have any questions or comments about this advisory:

  • Open an issue in [our issue tracker](https://github.com/PHPSocialNetwork/phpfastcache/issues)
  • Email us at [security@geolim4.com](mailto:[email protected])

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability low.

Weakness class

CVE-2021-37704 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.

Affected software

CVE-2021-37704 is recorded against 1 package.

  • phpfastcache/phpfastcache (from 8.0.0 up to 8.0.7)

Timeline and source

Published on 30 August 2021 and last revised on 8 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
packagist.org (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CWE CWE-200
Public Exploit ✅ No
Source OSV
Published 2021-08-30
Updated 2026-08-12
Modified 2026-07-08
Fix URL N/A

Affected Packages

Software From version Fixed in
phpfastcache/phpfastcache 8.0.0 8.0.7

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