CVE-2018-8741

Name: CVE-2018-8741
Creator: NVD / NIST
Published: 2018-03-17T14:29:00.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.45%

Last modified Jun 17, 2026

CVE-2018-8741 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.45% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

4.45%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Squirrelmail	Squirrelmail	1.4.22
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0

References

http://www.openwall.com/lists/oss-security/2018/03/17/2Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1040554Third Party Advisory, VDB Entry
https://gist.github.com/hannob/3c4f86863c418930ad08853c1109364ePatch, Third Party Advisory
https://insinuator.net/2018/03/squirrelmail-full-disclosure-troopers18/Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00012.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVXTYMZ35IC5KPNMAE6BWAQWURMX7KZO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5FP5O562A4FM5TCFNEW73SS6PZONSAC/
https://paste.pound-python.org/show/OjSLiFTxiBrTk63jqEUu/Third Party Advisory
https://www.debian.org/security/2018/dsa-4168Third Party Advisory
http://www.openwall.com/lists/oss-security/2018/03/17/2Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1040554Third Party Advisory, VDB Entry
https://gist.github.com/hannob/3c4f86863c418930ad08853c1109364ePatch, Third Party Advisory
https://insinuator.net/2018/03/squirrelmail-full-disclosure-troopers18/Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00012.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVXTYMZ35IC5KPNMAE6BWAQWURMX7KZO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5FP5O562A4FM5TCFNEW73SS6PZONSAC/
https://paste.pound-python.org/show/OjSLiFTxiBrTk63jqEUu/Third Party Advisory
https://www.debian.org/security/2018/dsa-4168Third Party Advisory

Timeline

Published: Mar 17, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8741?

How severe is CVE-2018-8741?

Severity scoring for CVE-2018-8741 is pending analysis. The EPSS model estimates a 4.45% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8741?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-8741?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST