Path Traversal in Squirrelmail

CVE-2018-8741

A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the hosting server, related to ../ in the att_local_name field in Deliver.class.php.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.043 (90.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-8741?
CVE-2018-8741 is a high-severity vulnerability in Squirrelmail, classified under Path Traversal. CVSS score: 8.8/10. Published 2018-03-17.
How severe is CVE-2018-8741?
High severity. CVSS v3 base score is 8.8 out of 10.