CVE-2019-6110

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering.

Exploit odds

24.9% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2019-01-31 18:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-10-14 07:16 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 24.9% in the next 30 days (EPSS).
• Severity: 6.8 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2019-01-31 18:29 UTC

Last modified

2026-10-14 07:16 UTC

Exploit probability

24.9% · EPSS, next 30 days

Weakness

CWE-838

Record status

Modified

Affected

• Openbsd OpenSSH ≤ 7.9
• Winscp ≤ 5.13
• Netapp Element Software
• Netapp Ontap Select Deploy
• Netapp Storage Automation Store
• Siemens Scalance x204rna Firmware < 3.2.7
• Siemens Scalance x204rna Eec Firmware < 3.2.7

Attack profile CVSS 3.1 · 6.8

Attack vector

Network

Complexity

High

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2019-6110.md and follow it. Check whether this project is affected by CVE-2019-6110. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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