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Vulnerability record · CVE-2020-36948 · published 27 January 2026

CVE-2020-36948: Incorrect authorization vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.64% · top 51.5% CWE-863 · Incorrect authorization Deferred
8.7CVSS 4.0 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://vestacp.com/
https://www.exploit-db.com/exploits/49219
https://www.vulncheck.com/advisories/vestacp-loginas-insufficient-session-validation
https://www.vulnerability-lab.com/get_content.php?id=2240
https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.
https://www.exploit-db.com/exploits/49219
https://www.vulnerability-lab.com/get_content.php?id=2240
https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.

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Source: NIST National Vulnerability Database (record CVE-2020-36948), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.