CVE-2021-27402 Path traversal in n/a

What is CVE-2021-27402?

CVE-2021-27402 is a medium-severity path traversal vulnerability in n/a, published on 13 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SAS Admin portal of Mitel MiCollab before 9.2 FP2 could allow an unauthenticated attacker to access (view and modify) user data by injecting arbitrary directory paths due to improper URL validation, aka Directory Traversal.

Weakness: CWE-22

Which versions are affected by CVE-2021-27402?

It affects 1 product.

Products include Mitel Micollab.

How do I fix CVE-2021-27402?

No fix has been published for CVE-2021-27402 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-27402 being exploited?

There is no known exploitation of CVE-2021-27402 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2022-26143 MiCollab, MiVoice Business Express Access Control Exploited Critical 9.8
• CVE-2024-41713 Mitel MiCollab Path Traversal Exploited Critical 9.1
• CVE-2024-55550 Mitel MiCollab Path Traversal Exploited Medium 4.4
• CVE-2024-35285 Command injection in n/a Critical 9.8
• CVE-2024-35286 SQL injection in n/a Critical 9.8

Sources

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

Also known as GHSA-q747-vr2x-33cp.