CVE-2019-6110
MEDIUMCVSS 6.8/10EPSS 20.91%
Last modified
CVE-2019-6110 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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.. EPSS estimates a 20.91% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openssh | <= 7.9 |
| Winscp | Winscp | <= 5.13 |
| Netapp | Element Software | All versions |
| Netapp | Ontap Select Deploy | All versions |
| Netapp | Storage Automation Store | All versions |
| Siemens | Scalance X204rna Firmware | < 3.2.7 |
| Siemens | Scalance X204rna Eec Firmware | < 3.2.7 |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfPatch, Third Party Advisory
- https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.cRelease Notes
- https://security.gentoo.org/glsa/201903-16Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190213-0001/Third Party Advisory
- https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txtThird Party Advisory
- https://www.exploit-db.com/exploits/46193/Exploit, Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfPatch, Third Party Advisory
- https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.cRelease Notes
- https://security.gentoo.org/glsa/201903-16Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190213-0001/Third Party Advisory
- https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txtThird Party Advisory
- https://www.exploit-db.com/exploits/46193/Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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 the client output, for example to use ANSI control codes to hide additional files being transferred.
How severe is CVE-2019-6110?
CVE-2019-6110 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 20.91% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6110?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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