Vulnerability Details : 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.
Published 2020-02-27 21:15:19
Updated 2022-01-01 19:30:48
Source PHP Group
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2020-7062

Threat overview for CVE-2020-7062

Top countries where our scanners detected CVE-2020-7062
Top open port discovered on systems with this issue 80
IPs affected by CVE-2020-7062 170,963
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-7062!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-7062

EPSS FAQ
0.73%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-7062

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 PHP Group

CWE ids for CVE-2020-7062

  • The product dereferences a pointer that it expects to be valid but is NULL.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@php.net (Secondary)

References for CVE-2020-7062

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