Cpanel
CVE-2020-26101
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
In cPanel before 88.0.3, insecure RNDC credentials are used for BIND on a templated VM (SEC-549). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. In cPanel before 88.0.3, insecure RNDC credentials are used for BIND on a templated VM (SEC-549). Affected products include: Cpanel. Version information: before 88.0.3.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
In cPanel before 88.0.3, insecure RNDC credentials are used for BIND on a templated VM (SEC-549).
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
Root-level remote code execution in WebPros cPanel is achievable by any mail-enabled account through a SQL injection fla
An issue was discovered in cPanel before 11.109.9999.116. Rated medium severity (CVSS 6.1), this vulnerability is remote
cPanel through 74 allows XSS via a crafted filename in the logs subdirectory of a user account, because the filename is
OS command injection in cPanel and WP Squared allows an authenticated, low-privileged hosting account holder to execute
OS command injection in the AUTOM8N plugin for WHM/cPanel (all versions through commit 82821f7) allows an attacker who c
cPanel before 88.0.13 mishandles file-extension dispatching, leading to code execution (SEC-488). Rated critical severit
In cPanel before 88.0.3, insecure chkservd test credentials are used on a templated VM (SEC-554). Rated critical severit
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497). Rated critical severity (CVSS 9.8), this vulnerability
cPanel before 88.0.3 mishandles the Exim filter path, leading to remote code execution (SEC-485). Rated critical severit
cPanel before 84.0.20 allows a demo account to achieve code execution via PassengerApps APIs (SEC-546). Rated critical s
cPanel before 84.0.20 allows a demo account to achieve remote code execution via a cpsrvd rsync shell (SEC-544). Rated c
Argument injection in WP Toolkit for cPanel 6.11.2-10794 and earlier allows a remote authenticated (low-privileged, PR:L
GitHub PoC
Exploit-DB