CVE-2020-13625

Name: CVE-2020-13625
Creator: NVD / NIST
Published: 2020-06-08T17:15:10.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.78%

Last modified Jun 17, 2026

CVE-2020-13625 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. PHPMailer before 6.1.6 contains an output escaping bug when the name of a file attachment contains a double quote character. This can result in the file type being misinterpreted by the receiver or any mail relay processing the message.. EPSS estimates a 3.78% chance of exploitation in the next 30 days.

Description

PHPMailer before 6.1.6 contains an output escaping bug when the name of a file attachment contains a double quote character. This can result in the file type being misinterpreted by the receiver or any mail relay processing the message.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.78%

88.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-116

Affected Software

Vendor	Product	Versions
Phpmailer Project	Phpmailer	< 6.1.6
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32
Canonical	Ubuntu Linux	18.04
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00067.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00085.htmlBroken Link
https://github.com/PHPMailer/PHPMailer/releases/tag/v6.1.6Release Notes, Third Party Advisory
https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-f7hx-fqxw-rvvjExploit, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00014.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00004.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EFM3BZABL6RUHTVMXSC7OFMP4CKWMRPJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMH4TC5XTS3KZVGMSKEPPBZ2XTZCKKCX/
https://usn.ubuntu.com/4505-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00067.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00085.htmlBroken Link
https://github.com/PHPMailer/PHPMailer/releases/tag/v6.1.6Release Notes, Third Party Advisory
https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-f7hx-fqxw-rvvjExploit, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00014.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00004.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EFM3BZABL6RUHTVMXSC7OFMP4CKWMRPJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMH4TC5XTS3KZVGMSKEPPBZ2XTZCKKCX/
https://usn.ubuntu.com/4505-1/Third Party Advisory

Timeline

Published: Jun 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13625?

How severe is CVE-2020-13625?

CVE-2020-13625 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.78% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13625?

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-2020-13625?

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

Scan your code now

Source: NVD / NIST