CVE-2020-26549

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 1.5%, top 29% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
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.

An issue was discovered in Aviatrix Controller before R5.4.1290. The htaccess protection mechanism to prevent requests to directories can be bypassed for file downloading.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
71.3%
KEV
Not listed

Published

November 17, 2020

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× 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.

  1. 2026-07-22 22:38 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  51. 2026-05-31 22:29 UTCEPSS rescore
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  62. 2026-05-26 07:17 UTCEPSS rescore
  63. 2026-05-26 07:17 UTCEPSS rescore
  64. 2026-05-23 03:55 UTCEG score recompute
  65. 2026-05-23 03:55 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2020-26549?
CVE-2020-26549 is a high vulnerability published on November 17, 2020. An issue was discovered in Aviatrix Controller before R5.4.1290. The htaccess protection mechanism to prevent requests to directories can be bypassed for file downloading.
When was CVE-2020-26549 disclosed?
CVE-2020-26549 was first published in the National Vulnerability Database on November 17, 2020, 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-2020-26549 actively exploited?
CVE-2020-26549 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-26549?
CVE-2020-26549 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2020-26549?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-26549, 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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