Back to Database
Status published
High
CVE-2021-34551
PHPMailer before 6.5.0 on Windows allows remote code execution if...
Vulnerability Description
PHPMailer before 6.5.0 on Windows allows remote code execution if lang_path is untrusted data and has a UNC pathname.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-34551
Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/PHPMailer/PHPMailer/blob/master/SECURITY.md
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ/
More from phpmailer project
View All →CVE-2020-36326
PHPMailer 6.1.8 through 6.4.0 allows object injection through Phar Deserialization...
Critical
9.8
CVE-2020-13625
PHPMailer before 6.1.6 contains an output escaping bug when the...
High
7.5
CVE-2018-19296
PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to...
High
8.8
CVE-2017-5223
An issue was discovered in PHPMailer before 5.2.22. PHPMailer's msgHTML...
Medium
5.5
CVE-2017-11503
PHPMailer 5.2.23 has XSS in the "From Email Address" and...
Medium
6.1
Affected Vendor
phpmailer project
View all reports →Affected Software
phpmailer, fedora
Vulnerable Versions:
0, 33, 34
Timeline
Official Publish:
June 16th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.