CVE-2020-8177

HIGHNVD 7.87.1▼
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 7.8; sources differ by 0.7.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead too overwriting a local file when the -J flag is used.

CVSS v3
7.8
EG Score
7.1(medium)
EPSS
65.9%
KEV
Not listed

Published

December 14, 2020

Last Modified

April 15, 2026

References (10)

Vendor Advisories for CVE-2020-8177(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibcurl4-openssl-dev (7.35.0-1ubuntu2.20+esm4) @ trusty2026-05-22ubuntu
redhatopenshiftdo/odo-init-image-rhel7:1.1.3-22021-03-22redhat
redhatcurl-0:7.61.1-12.el8_2.22020-12-15redhat
redhatcurl-0:7.29.0-59.el7_9.12020-11-10redhat
redhatcurl-0:7.61.1-14.el82020-11-04redhat

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.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

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.

Showing the most recent 100 of 130 total refreshes for this CVE.

  1. 2026-07-22 14:05 UTCEPSS rescore
  2. 2026-07-21 15:22 UTCEPSS rescore
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  23. 2026-06-22 19:35 UTCOSV refresh
  24. 2026-06-22 14:23 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2020-8177?
CVE-2020-8177 is a high vulnerability published on December 14, 2020. curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead too overwriting a local file when the -J flag is used.
When was CVE-2020-8177 disclosed?
CVE-2020-8177 was first published in the National Vulnerability Database on December 14, 2020, 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-2020-8177 actively exploited?
CVE-2020-8177 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-8177?
CVE-2020-8177 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.1.
How do I remediate CVE-2020-8177?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-8177, 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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