What is the CVSS score of CVE-2020-36948?

CVE-2020-36948 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2020-36948?

Yes, a public proof-of-concept exploit is available for CVE-2020-36948. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2020-36948?

Within 24 hours: Identify all VestaCP 0.9.8-26 installations in your environment and isolate them from untrusted networks; disable the LoginAs module if operationally feasible. Within 7 days: Implement WAF rules to block malicious token manipulation attempts and restrict administrative access to known IP ranges. Within 30 days: Migrate to an alternative hosting control panel or upgrade to a patched version once available; conduct forensic review of authentication logs for compromise indicators.

CVE-2020-36948

CRITICAL

Incorrect Authorization (CWE-863)

2026-01-27 disclosure@vulncheck.com

Authentication Bypass

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Jan 29, 2026 - 16:31 vuln.today

Public exploit code

CVE Published

Jan 27, 2026 - 16:16 nvd

CRITICAL 9.8

DescriptionCVE.org

VestaCP 0.9.8-26 contains a session token vulnerability in the LoginAs module that allows remote attackers to manipulate authentication tokens. Attackers can exploit insufficient token validation to access user accounts and perform unauthorized login requests without proper administrative permissions.

AnalysisAI

VestaCP 0.9.8-26 has a session management vulnerability allowing remote attackers to hijack admin sessions through the LoginAs module.

Technical ContextAI

VestaCP 0.9.8-26 has a CWE-863 authorization vulnerability in the LoginAs module that allows session token theft.

Affected ProductsAI

VestaCP 0.9.8-26

RemediationAI

Update VestaCP or migrate to an actively maintained panel.

CVE-2020-36948 vulnerability details – vuln.today

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CVE-2020-36948

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code