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Vulnerability record · CVE-2020-7066 · published 1 April 2020

CVE-2020-7066: Php vulnerability

Php · Php

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.

4.3 CVSS 3.1 Medium EPSS 2.8% · top 14.2% CWE-170 · CWE-170
4.3CVSS 3.1 base score, v2 4.3
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
16References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html Third Party Advisory
https://bugs.php.net/bug.php?id=79329 ExploitIssue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html Third Party Advisory
https://security.netapp.com/advisory/ntap-20200403-0001/ Third Party Advisory
https://usn.ubuntu.com/4330-2/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4717 Third Party Advisory
https://www.debian.org/security/2020/dsa-4719 Third Party Advisory
https://www.tenable.com/security/tns-2021-14 PatchThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html Third Party Advisory
https://bugs.php.net/bug.php?id=79329 ExploitIssue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html Third Party Advisory
https://security.netapp.com/advisory/ntap-20200403-0001/ Third Party Advisory
https://usn.ubuntu.com/4330-2/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4717 Third Party Advisory
https://www.debian.org/security/2020/dsa-4719 Third Party Advisory
https://www.tenable.com/security/tns-2021-14 PatchThird Party Advisory

Track CVE-2020-7066 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2020-7066), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.