CVE-2020-14933

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

compose.php in SquirrelMail 1.4.22 calls unserialize for the $attachments value, which originates from an HTTP POST request. NOTE: the vendor disputes this because these two conditions for PHP object injection are not satisfied: existence of a PHP magic method (such as __wakeup or __destruct), and any attack-relevant classes must be declared before unserialize is called (or must be autoloaded).

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.openwall.com/lists/oss-security/2020/06/20/1Mailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/06/20/1Mailing List, Third Party Advisory

Timeline

Published: Jun 20, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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