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TI-2020-19083 Aliases CVE-2020-36948GHSA-pxpj-pwq4-m64x

VestaCP 0.9.8-26 - 'LoginAs' Insufficient Session Validation

Priority HIGH 73CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00631 50th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VestaCPVestaCP0.9.8-26—No fix listedCNA
  • VestaCP VendorVestaCP Affected 0.9.8-26 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36948
  2. 2026-10-03 Alias added: GHSA-pxpj-pwq4-m64x
  3. 2026-10-27 EPSS moved to the 50th–90th percentile

References

Exploit 2

Advisory 1

Other 1

  • TI-2020-08697 Vesta Control Panel (VestaCP) through 0.9.8-26 allows Command Injection via the… CVSS 3.1HIGH 8.8
  • TI-2021-22487 VestaCP < 0.9.8-25 - Stored Cross-Site Scripting CVSS 4.0MEDIUM 5.1
  • TI-2015-03458 Vesta Control Panel before 0.9.8-14 allows remote authenticated users to execute… CVSS 3.0HIGH 8.8
  • TI-2021-09533 web/upload/UploadHandler.php in Vesta Control Panel (aka VestaCP) through 0.9.8-27 and… CVSS 3.1HIGH 8.8
  • TI-2019-09576 A directory traversal vulnerability in the v-list-user script in Vesta Control Panel… CVSS 3.0HIGH 8.8
  • TI-2020-08679 A remote command execution in Vesta Control Panel through 0.9.8-26 allows any… CVSS 3.1HIGH 8.8
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences