CVE-2020-7061

Name: CVE-2020-7061
Creator: NVD / NIST
Published: 2020-02-27T21:15:18.927+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 3.87%

Last modified Jun 17, 2026

CVE-2020-7061 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash.. EPSS estimates a 3.87% chance of exploitation in the next 30 days.

Description

In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability

3.87%

88.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Php	Php	>= 7.2.0, <= 7.2.27
Php	Php	>= 7.3.0, <= 7.3.14
Php	Php	>= 7.4.0, <= 7.4.2
Tenable	Tenable.Sc	< 5.19.0

References

https://bugs.php.net/bug.php?id=79171Exploit, Vendor Advisory
https://security.gentoo.org/glsa/202003-57Third Party Advisory
https://www.tenable.com/security/tns-2021-14Patch, Third Party Advisory
https://bugs.php.net/bug.php?id=79171Exploit, Vendor Advisory
https://security.gentoo.org/glsa/202003-57Third Party Advisory
https://www.tenable.com/security/tns-2021-14Patch, Third Party Advisory

Timeline

Published: Feb 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7061?

How severe is CVE-2020-7061?

CVE-2020-7061 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 3.87% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7061?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7061?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST