How severe is CVE-2019-16774?

CVE-2019-16774 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-16774 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16774?

CVE-2019-16774 affects Phpfastcache. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16774?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-16774 published?

CVE-2019-16774 was published on 2019-12-12 and last updated on 2026-06-17.

CVE-2019-16774

CVE-2019-16774 is a medium-severity vulnerability in Phpfastcache with a CVSS 3.x base score of 4.4. 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-502.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 7.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Phpfastcache
Published: 2019-12-12
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2019-16774?: In phpfastcache before 5.1.3, there is a possible object injection vulnerability in cookie driver.
How severe is CVE-2019-16774?: CVE-2019-16774 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-16774 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16774?: CVE-2019-16774 affects Phpfastcache. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16774?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16774 published?: CVE-2019-16774 was published on 2019-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpfastcache:phpfastcache:*:*:*:*:*:*:*:*

More vulnerabilities in Phpfastcache

CVE-2021-37704 — Medium (CVSS 5.4): PhpFastCache is a high-performance backend cache system (packagist package phpfastcache/phpfastcache). In versions…

All CVEs affecting Phpfastcache →

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities

CVE-2026-41104 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Planetary Computer Pro allows an unauthorized attacker to disclose…
CVE-2026-43633 — Critical (CVSS 10.0): HestiaCP versions 1.9.0 through 1.9.4 contain a deserialization vulnerability in the web terminal component caused by a…
CVE-2026-33819 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
CVE-2026-20131 — Critical (CVSS 10.0): A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2026-25632 — Critical (CVSS 10.0): EPyT-Flow is a Python package designed for the easy generation of hydraulic and water quality scenario data of water…
CVE-2025-14931 — Critical (CVSS 10.0): Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability.…

Browse all CWE-502 (Deserialization of Untrusted Data) vulnerabilities →