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Vulnerability record · CVE-2018-8741 · published 17 March 2018

CVE-2018-8741: Squirrelmail path traversal vulnerability

Squirrelmail · Squirrelmail

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.

8.8 CVSS 3.0 High EPSS 4.2% · top 9.4% CWE-22 · Path traversal
8.8CVSS 3.0 base score, v2 6.5
4.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2018/03/17/2 Mailing ListThird Party Advisory
http://www.securitytracker.com/id/1040554 Third Party AdvisoryVDB Entry
https://gist.github.com/hannob/3c4f86863c418930ad08853c1109364e PatchThird Party Advisory
https://insinuator.net/2018/03/squirrelmail-full-disclosure-troopers18/ PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00012.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVXTYMZ35IC5KPNMAE6BWAQ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5FP5O562A4FM5TCFNEW73S
https://paste.pound-python.org/show/OjSLiFTxiBrTk63jqEUu/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4168 Third Party Advisory
http://www.openwall.com/lists/oss-security/2018/03/17/2 Mailing ListThird Party Advisory
http://www.securitytracker.com/id/1040554 Third Party AdvisoryVDB Entry
https://gist.github.com/hannob/3c4f86863c418930ad08853c1109364e PatchThird Party Advisory
https://insinuator.net/2018/03/squirrelmail-full-disclosure-troopers18/ PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00012.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVXTYMZ35IC5KPNMAE6BWAQ
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5FP5O562A4FM5TCFNEW73S
https://paste.pound-python.org/show/OjSLiFTxiBrTk63jqEUu/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4168 Third Party Advisory

Track CVE-2018-8741 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2018-8741), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.