CVE-2021-26267 Auth bypass in n/a
Attackers with old-style MySQL password hashes can bypass account suspension in cPanel, allowing unauthorized access to suspended accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-26267?
CVE-2021-26267 is a high-severity authentication bypass vulnerability in Cpanel Cpanel, published on 26 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
cPanel before 92.0.9 allows a MySQL user (who has an old-style password hash) to bypass suspension (SEC-579).
Which versions are affected by CVE-2021-26267?
It affects 1 product.
Products include Cpanel Cpanel.
How do I fix CVE-2021-26267?
No fix has been published for CVE-2021-26267 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-26267 being exploited?
There is no known exploitation of CVE-2021-26267 in the wild and no public exploit code.
Other vulnerabilities in Cpanel Cpanel
- CVE-2026-41940 WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function
- CVE-2003-1425 guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter.
- CVE-2004-1769 Code injection in n/a
- CVE-2004-1770 Command injection in n/a
- CVE-2020-26098 Command injection in n/a
Sources
Also known as GHSA-c7c8-v2x7-pjp8.