What’s Vulnerable › Vulnerabilities

CVE-2019-6110

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 24.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-01-31 · updated 2026-10-14
• Weakness: CWE-838

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.

Affected products

• NetApp Element Software: all versions
• NetApp Ontap Select Deploy: all versions
• NetApp Storage Automation Store: all versions
• OpenSSH: through 7.9
• Siemens Scalance X204Rna Eec Firmware: before 3.2.7 — fixed in 3.2.7
• Siemens Scalance X204Rna Firmware: before 3.2.7 — fixed in 3.2.7
• Winscp: through 5.13

How to fix

Upgrade to a fixed version: Siemens Scalance X204Rna Eec Firmware 3.2.7; Siemens Scalance X204Rna Firmware 3.2.7. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
• https://cvsweb.openbsd.org/src/usr.bin/ssh/progressmeter.c
• https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.c
• https://security.gentoo.org/glsa/201903-16
• https://security.netapp.com/advisory/ntap-20190213-0001/
• https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt
• https://www.exploit-db.com/exploits/46193/
• https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
• https://cvsweb.openbsd.org/src/usr.bin/ssh/progressmeter.c
• https://cvsweb.openbsd.org/src/usr.bin/ssh/scp.c
• https://security.gentoo.org/glsa/201903-16
• https://security.netapp.com/advisory/ntap-20190213-0001/

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