CVE-2021-44150

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 59% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

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

The client in tusdotnet through 2.5.0 relies on SHA-1 to prevent spoofing of file content.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
40.9%
KEV
Not listed

Published

November 22, 2021

Last Modified

November 21, 2024

References (2)

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
nugettusdotnet—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 51× 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 107 total refreshes for this CVE.

  1. 2026-07-23 02:05 UTCEG score recompute
  2. 2026-07-22 22:51 UTCEG score recompute▲ 4.40
  3. 2026-07-22 14:06 UTCEPSS rescore
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  11. 2026-07-18 07:29 UTCOSV refresh
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  1. 2026-07-07 13:43 UTCEPSS rescore
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  43. 2026-06-13 22:58 UTCEPSS rescore
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  45. 2026-06-12 23:10 UTCEPSS rescore
  46. 2026-06-12 16:10 UTCOSV refresh
  47. 2026-06-11 13:58 UTCEPSS rescore
  48. 2026-06-11 13:58 UTCEPSS rescore
  49. 2026-06-10 22:16 UTCEPSS rescore
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  54. 2026-06-07 15:23 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2021-44150?
CVE-2021-44150 is a high vulnerability published on November 22, 2021. The client in tusdotnet through 2.5.0 relies on SHA-1 to prevent spoofing of file content.
When was CVE-2021-44150 disclosed?
CVE-2021-44150 was first published in the National Vulnerability Database on November 22, 2021, 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-2021-44150 actively exploited?
CVE-2021-44150 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-44150?
CVE-2021-44150 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2021-44150?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-44150, 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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