CVE-2021-44141 Information disclosure in Samba

What is CVE-2021-44141?

CVE-2021-44141 is a medium-severity vulnerability in Fedoraproject Fedora, published on 21 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.

Weakness: CWE-59, CWE-200

Which versions are affected by CVE-2021-44141?

It affects 3 products.

Products include Fedoraproject Fedora, Redhat Storage, Samba Samba.

How do I fix CVE-2021-44141?

Upgrade to a fixed version.

Is CVE-2021-44141 being exploited?

There is no known exploitation of CVE-2021-44141 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2021-44141, AZL-37007, AZL-8610, DEBIAN-CVE-2021-44141, ECHO-bbb6-a533-46a3, GHSA-fmfh-pcgm-2499 and 2 more.