CVE-2020-7062
CVSS v3
7.5
HIGH
EPSS Score
1.2 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.
Technical details
- Published
- 2020-02-27
Frequently asked questions
What is CVE-2020-7062?
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.
Is CVE-2020-7062 actively exploited?
Active exploitation of CVE-2020-7062 has not been confirmed. The EPSS score is 1.2%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-7062?
CVE-2020-7062 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-7062 affecting your environment?
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