CVE-2020-7069

Name: CVE-2020-7069
Creator: NVD / NIST
Published: 2020-10-02T15:15:12.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.98%

Last modified Jun 17, 2026

CVE-2020-7069 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.. EPSS estimates a 1.98% chance of exploitation in the next 30 days.

Description

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.98%

77.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Php	Php	>= 7.2.0, < 7.2.34
Php	Php	>= 7.3.0, < 7.3.23
Php	Php	>= 7.4.0, < 7.4.11
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32
Fedoraproject	Fedora	33
Debian	Debian Linux	10.0
Opensuse	Leap	15.1
Opensuse	Leap	15.2
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	20.04
Netapp	Clustered Data Ontap	All versions
Oracle	Communications Diameter Signaling Router	>= 8.0.0, <= 8.5.0
Tenable	Tenable.Sc	< 5.19.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00045.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00067.htmlMailing List, Third Party Advisory
https://bugs.php.net/bug.php?id=79601Issue Tracking, Patch, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EVDN7D3IB4EAI4D3ZOM2OJKQ5SD7K4E/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2J3ZZDHCSX65T5QWV4AHBN7MOJXBEKG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRU57N3OSYZPOMFWPRDNVH7EMYOTSZ66/
https://security.gentoo.org/glsa/202012-16Third Party Advisory
https://security.netapp.com/advisory/ntap-20201016-0001/Third Party Advisory
https://usn.ubuntu.com/4583-1/Third Party Advisory
https://www.debian.org/security/2021/dsa-4856Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://www.tenable.com/security/tns-2021-14Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00045.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00067.htmlMailing List, Third Party Advisory
https://bugs.php.net/bug.php?id=79601Issue Tracking, Patch, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EVDN7D3IB4EAI4D3ZOM2OJKQ5SD7K4E/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2J3ZZDHCSX65T5QWV4AHBN7MOJXBEKG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRU57N3OSYZPOMFWPRDNVH7EMYOTSZ66/
https://security.gentoo.org/glsa/202012-16Third Party Advisory
https://security.netapp.com/advisory/ntap-20201016-0001/Third Party Advisory
https://usn.ubuntu.com/4583-1/Third Party Advisory
https://www.debian.org/security/2021/dsa-4856Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://www.tenable.com/security/tns-2021-14Third Party Advisory

Timeline

Published: Oct 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7069?

How severe is CVE-2020-7069?

CVE-2020-7069 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.98% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7069?

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-2020-7069?

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

Scan your code now

Source: NVD / NIST