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CVE-2020-7066

MEDIUM
Published 2020-04-01T03:35:14.021693Z
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Expert Analysis

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CVSS Score

V3.1
5.3
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.028
probability
of exploitation in the wild

There is a 2.8% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.854
Higher than 85.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions about the target of the get_headers() and possibly send some information to a wrong server.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

PHP Group

PHP

Affected Versions:

7.2.x below 7.2.29 7.3.x below 7.3.16 7.4.x below 7.4.4

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-g2jm-56j8-g3cg

Advisory Details

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.34, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions about the target of the get_headers() and possibly send some information to a wrong server.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-7066
WEB https://bugs.php.net/bug.php?id=79329
WEB https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html
WEB https://security.netapp.com/advisory/ntap-20200403-0001
WEB https://usn.ubuntu.com/4330-2
WEB https://www.debian.org/security/2020/dsa-4717
WEB https://www.debian.org/security/2020/dsa-4719
WEB https://www.tenable.com/security/tns-2021-14
WEB http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://bugs.php.net/bug.php?id=79329
https://security.netapp.com/advisory/ntap-20200403-0001/
https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html
https://usn.ubuntu.com/4330-2/
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html
https://www.debian.org/security/2020/dsa-4717
https://www.debian.org/security/2020/dsa-4719
https://www.tenable.com/security/tns-2021-14
Published: 2020-04-01T03:35:14.021693Z
Last Modified: 2024-09-17T01:51:01.194Z
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