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CVE-2020-13625

23
FAUCET Score

CVE-2020-13625 is an output escaping bug in PHPMailer before version 6.1.6, affecting products like Canonical, Debian, and Fedora. This flaw occurs when a file attachment's name includes a double quote, potentially leading to misinterpretation of the file type by recipients or mail relays. Rated 7.5 HIGH, it's a network-exploitable vulnerability with low attack complexity, allowing for high integrity impact without user interaction. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.1.6CPE matchmatch criteria
cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.78%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0378 is in the 80th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: phpmailer/phpmailerFixed in: 6.1.6
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-f7hx-fqxw-rvvjhigh

Insufficient output escaping of attachment names in PHPMailer

May 27, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-07/msg00067.html
Broken Link
lists.opensuse.org / opensuse-security-announce/2020-07/msg00085.html
Broken Link
github.com / PHPMailer/PHPMailer/releases/tag/v6.1.6
Release NotesThird Party Advisory
github.com / PHPMailer/PHPMailer/security/advisories/GHSA-f7hx-fqxw-rvvj
ExploitPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2020/06/msg00014.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/08/msg00004.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EFM3BZABL6RUHTVMXSC7OFMP4CKWMRPJ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/SMH4TC5XTS3KZVGMSKEPPBZ2XTZCKKCX
usn.ubuntu.com / 4505-1
Third Party Advisory