CVE-2020-36254

HIGHNVD 8.18.1—

8.1

scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 57.7%
KEV: Not listed

Published

February 25, 2021

Last Modified

December 3, 2025

References (2)

cve@mitrehttps://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff
af854a3a-2127-422b-91ae-364da2661108https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff

Data Freshness Timeline

(refreshed 12× in last 7d / 20× 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.

2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-36254?

CVE-2020-36254 is a high vulnerability published on February 25, 2021. scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.

When was CVE-2020-36254 disclosed?

CVE-2020-36254 was first published in the National Vulnerability Database on February 25, 2021, with the most recent update on December 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-36254 actively exploited?

CVE-2020-36254 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 57.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-36254?

CVE-2020-36254 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2020-36254?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-36254, 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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CVE-2020-36254

📅 Published

🔄 Last Modified

🔗 References (2)