What’s Vulnerable › Vulnerabilities

CVE-2020-36254

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-25 · updated 2026-06-17

Description

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

Affected products

• [UNKNOWN] dropbear: before 2020.79 — fixed in 2020.79

How to fix

Upgrade to a fixed version: [UNKNOWN] dropbear 2020.79. Check the vendor advisory for mitigations.

References

• https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff
• https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff

Get alerted when CVE-2020-36254 or the next vulnerability affects your stack