CVE-2019-6110
In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-The-Middle attacker) can manipulate...
- Published
- Jan 31, 2019
- Updated
- Dec 18, 2025
- Assigning CNA
- mitre
- Evidence observed
- Jan 11, 2019
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:NModerate · next 30 days
- Percentile
- 97.5%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-The-Middle attacker) can manipulate the client output, for example to use ANSI control codes to hide additional files being transferred.
Sources
3- MAL-008PoC
Case Study: SSHtranger Things (CVE-2019-6111, CVE-2019-6110) in Cisco SD-WAN
Mark E. Haase · multiple · Jan 18, 2019
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