CVE-2021-45036

HIGHNVD 8.77.4▼
EchelonGraph scoreMEDIUM confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2022-11-28. NVD baseline CVSS 8.7; sources differ by 1.3.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.7
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.7Exploit: NoneExposed: 0

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

Velneo vClient on its 28.1.3 version, could allow an attacker with knowledge of the victims's username and hashed password to spoof the victim's id against the server.

CVSS v3
8.7
EG Score
7.4(medium)
EPSS
49.0%
KEV
Not listed

Published

November 28, 2022

Last Modified

November 21, 2024

References (14)

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 47× 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.

  1. 2026-07-11 08:25 UTCEPSS rescore
  2. 2026-07-11 08:25 UTCEPSS rescore
  3. 2026-07-09 19:07 UTCEPSS rescore
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  14. 2026-07-02 16:57 UTCEPSS rescore
  15. 2026-07-01 15:04 UTCEPSS rescore
  16. 2026-06-30 23:20 UTCEPSS rescore
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  18. 2026-06-28 14:05 UTCEPSS rescore
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  21. 2026-06-27 03:06 UTCEPSS rescore
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  1. 2026-06-24 14:03 UTCEPSS rescore
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  4. 2026-06-22 14:24 UTCEPSS rescore
  5. 2026-06-21 14:55 UTCEPSS rescore
  6. 2026-06-21 01:58 UTCEPSS rescore
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  8. 2026-06-19 19:24 UTCEPSS rescore
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  10. 2026-06-18 17:51 UTCEPSS rescore
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  18. 2026-06-14 23:15 UTCEPSS rescore
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  20. 2026-06-13 22:58 UTCEPSS rescore
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  22. 2026-06-12 23:10 UTCEPSS rescore
  23. 2026-06-11 13:58 UTCEPSS rescore
  24. 2026-06-11 13:58 UTCEPSS rescore
  25. 2026-06-10 22:16 UTCEPSS rescore
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  27. 2026-06-10 13:20 UTCEPSS rescore
  28. 2026-06-08 14:15 UTCEPSS rescore
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  30. 2026-06-07 15:23 UTCEPSS rescore
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  32. 2026-06-06 13:46 UTCEPSS rescore
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  35. 2026-06-05 06:09 UTCEPSS rescore
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  37. 2026-06-04 13:10 UTCEPSS rescore
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  39. 2026-06-02 20:11 UTCEPSS rescore
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  41. 2026-06-01 13:50 UTCEPSS rescore
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  43. 2026-05-31 22:29 UTCEPSS rescore
  44. 2026-05-31 22:29 UTCEPSS rescore
  45. 2026-05-31 00:15 UTCEPSS rescore
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  47. 2026-05-29 13:42 UTCEPSS rescore
  48. 2026-05-28 13:43 UTCEPSS rescore
  49. 2026-05-28 13:43 UTCEPSS rescore
  50. 2026-05-27 13:39 UTCEPSS rescore
  51. 2026-05-27 13:39 UTCEPSS rescore
  52. 2026-05-26 13:42 UTCEPSS rescore
  53. 2026-05-26 13:42 UTCEPSS rescore
  54. 2026-05-26 07:17 UTCEPSS rescore
  55. 2026-05-26 07:17 UTCEPSS rescore
  56. 2026-05-26 07:17 UTCEPSS rescore
  57. 2026-05-25 11:29 UTCEG score recompute
  58. 2026-05-25 11:29 UTCGHSA enrichment
  59. 2026-05-24 00:53 UTCOSV refresh

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-45036?
CVE-2021-45036 is a high vulnerability published on November 28, 2022. Velneo vClient on its 28.1.3 version, could allow an attacker with knowledge of the victims's username and hashed password to spoof the victim's id against the server.
When was CVE-2021-45036 disclosed?
CVE-2021-45036 was first published in the National Vulnerability Database on November 28, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-45036 actively exploited?
CVE-2021-45036 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-45036?
CVE-2021-45036 has a CVSS v3 base score of 8.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.4.
How do I remediate CVE-2021-45036?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45036, 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.

Dependency Blast Radius

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