CVE-2020-36948

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-01-27. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track*)
EG Risk 60/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
43.3%
KEV
Not listed

Published

January 27, 2026

Last Modified

April 15, 2026

Advisory Details (5)

Auto-updated May 1, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

VULNERABILITY LAB - SECURITY VULNERABILITY RESEARCH LABORATORY

https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.
generic🟡 PoC Available

VestaCP (Control Panel) v0.9.8-26 - LoginAs User/Admin PoC

https://www.vulnerability-lab.com/get_content.php?id=2240
generic🟡 PoC Available

VestaCP 0.9.8-26 - 'LoginAs' Insufficient Session Validation - Multiple webapps Exploit

https://www.exploit-db.com/exploits/49219
generic

VestaCP 0.9.8-26 - 'LoginAs' Insufficient Session Validation | Advisories | VulnCheck

https://www.vulncheck.com/advisories/vestacp-loginas-insufficient-session-validation
generic

Vesta Control Panel

https://vestacp.com/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 42× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 137 total refreshes for this CVE.

  1. 2026-07-24 14:14 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 14:15 UTCEPSS rescore
  4. 2026-07-23 01:53 UTCEG score recompute
  5. 2026-07-22 22:39 UTCEG score recompute
  6. 2026-07-22 14:05 UTCEPSS rescore
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  1. 2026-07-09 19:07 UTCEPSS rescore
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  17. 2026-06-25 13:48 UTCEPSS rescore
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  24. 2026-06-21 14:54 UTCEPSS rescore
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  26. 2026-06-21 01:57 UTCEPSS rescore
  27. 2026-06-19 19:24 UTCEPSS rescore
  28. 2026-06-19 19:23 UTCEPSS rescore
  29. 2026-06-18 17:50 UTCEPSS rescore
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  31. 2026-06-17 17:50 UTCEPSS rescore
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  36. 2026-06-12 23:10 UTCEPSS rescore
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  40. 2026-06-08 14:15 UTCEPSS rescore
  41. 2026-06-08 06:49 UTCGHSA enrichment
  42. 2026-06-08 02:32 UTCGHSA enrichment
  43. 2026-06-07 15:23 UTCEPSS rescore
  44. 2026-06-07 15:23 UTCEPSS rescore
  45. 2026-06-07 15:23 UTCEPSS rescore
  46. 2026-06-06 13:46 UTCEPSS rescore
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  75. 2026-05-22 21:16 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2020-36948?
CVE-2020-36948 is a critical vulnerability published on January 27, 2026. 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…
When was CVE-2020-36948 disclosed?
CVE-2020-36948 was first published in the National Vulnerability Database on January 27, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-36948 actively exploited?
CVE-2020-36948 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-36948?
CVE-2020-36948 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-36948?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-36948, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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