CVSS v3
5.9
MEDIUM
EPSS Score
8.8 %
exploit probability, as of 2026-10-02
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP DirectoryIterator class accepts filenames with embedded \\0 byte and treats them as terminating at that byte. This could lead to security vulnerabilities, e.g. in applications checking paths that the code is allowed to access.
Technical details
- Published
- 2019-12-23
Frequently asked questions
What is CVE-2019-11045?
In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP DirectoryIterator class accepts filenames with embedded \\0 byte and treats them as terminating at that byte. This could lead to security vulnerabilities, e.g. in applications checking paths that the code is allowed to access.
Is CVE-2019-11045 actively exploited?
Active exploitation of CVE-2019-11045 has not been confirmed. Its EPSS score was 8.8% on 2026-10-02, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-11045?
CVE-2019-11045 has a CVSS v3 base score of 5.9 (MEDIUM severity).
Is CVE-2019-11045 affecting your environment?
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