How severe is CVE-2015-3211?

CVE-2015-3211 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2015-3211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3211?

CVE-2015-3211 affects Php-fpm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3211?

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

When was CVE-2015-3211 published?

CVE-2015-3211 was published on 2017-08-25 and last updated on 2026-06-17.

CVE-2015-3211

CVE-2015-3211 is a medium-severity vulnerability in Php-fpm with a CVSS 3.x base score of 5.5. 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-59.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Php-fpm
Published: 2017-08-25
Last modified: 2026-06-17

Description

php-fpm allows local users to write to or create arbitrary files via a symlink attack.

Frequently asked questions

What is CVE-2015-3211?: php-fpm allows local users to write to or create arbitrary files via a symlink attack.
How severe is CVE-2015-3211?: CVE-2015-3211 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2015-3211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3211?: CVE-2015-3211 affects Php-fpm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3211?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3211 published?: CVE-2015-3211 was published on 2017-08-25 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1228721

Affected products (1)

cpe:2.3:a:php-fpm:php-fpm:-:*:*:*:*:*:*:*

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