What is CVE-2019-16774?

CVE-2019-16774 is a medium-severity vulnerability in Phpfastcache, classified under Code Injection. CVSS score: 4.4/10. Published 2019-12-12.

How severe is CVE-2019-16774?

Medium severity. CVSS v3 base score is 4.4 out of 10.

RCE in Phpfastcache

CVE-2019-16774

In phpfastcache before 5.1.3, there is a possible object injection vulnerability in cookie driver.

Vulnerability class: RCE (Remote Code Execution)

Published 2019-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Phpfastcache
Phpsocialnetwork Phpfastcache — versions < 5.1.3

Weakness classification (CWE)

References

github.com/PHPSocialNetwork/phpfastcache/security/advisories/GHSA-484f-743f-6jx2 (Third Party Advisory)
github.com/PHPSocialNetwork/phpfastcache/commit/c4527205cb7a402b595790c74310791… (Patch, Third Party Advisory)
github.com/PHPSocialNetwork/phpfastcache/releases/tag/5.0.13 (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-16774?: CVE-2019-16774 is a medium-severity vulnerability in Phpfastcache, classified under Code Injection. CVSS score: 4.4/10. Published 2019-12-12.
How severe is CVE-2019-16774?: Medium severity. CVSS v3 base score is 4.4 out of 10.