Vulnerability · Published Jun 16, 2021 · Assigned by mitre
CVE-2021-34551
High 8.1
In plain English
A high-severity security flaw in the phpmailer/phpmailer package (Packagist). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.8% (higher than 87% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.1High
Exploit odds (30 days)2.8%top 13.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
PHPMailer before 6.5.0 on Windows allows remote code execution if lang_path is untrusted data and has a UNC pathname.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | phpmailer/phpmailer | 6.5.0 | GHSA-7q44-r25x-wm4q |
Affected products (as reported)
References
- https://github.com/PHPMailer/PHPMailer/blob/master/SECURITY.md x_refsource_CONFIRM
- FEDORA-2021-bfc34b3d5c vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-ef548cb234 vendor-advisory, x_refsource_FEDORA