Multiple vulnerabilities in cPanel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-26266 CVE-2021-26267 |
| CWE-ID | CWE-264 CWE-841 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
cPanel Web applications / Remote management & hosting panels |
| Vendor | cPanel, Inc |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU50650
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2021-26266
CWE-ID:
Exploit availability:
DescriptionThe vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to way cPanel handles account suspensions. A remote user can trigger a logical error by suspending an already suspended account via the WHM API. As a result, a Reseller can bypass the suspension lock.
Install updates from vendor's website.
Vulnerable software versionscPanel: 11.86.0.1 - 11.92.0.8
Fixed software versionsCPE2.3 External links
http://news.cpanel.com/cpanel-tsr-2021-0001-full-disclosure/
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
2) Improper Enforcement of Behavioral Workflow
EUVDB-ID: #VU50652
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2021-26267
CWE-ID:
Exploit availability:
DescriptionThe vulnerability allows a remote attacker to ignore imposed restrictions.
The vulnerability exists due to an error when handling suspensions for MySQL users with old-style password hashes on a MySQL 5.5 system. The suspendacct fails to disable the passwords and the user still has access to the database.
Install updates from vendor's website.
Vulnerable software versionscPanel: 11.86.0.1 - 11.92.0.8
Fixed software versionsCPE2.3 External links
http://news.cpanel.com/cpanel-tsr-2021-0001-full-disclosure/
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
