CVE-2019-6110 — In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a...
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.
Who exploits it and how urgent it is
A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.
How the score was calculated
- Public exploit/PoC (exploitdb)+8
- EPSS 24.9% (30-day exploitation probability)+15
- Technical severity (medium)+3
- CISA SSVC: exploitation "poc"+5
The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.
CISA SSVC assessment CISA
Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.
Remediation
Fixes and mitigations documented by the sources — linked to the original advisory.
- Documented patch — cert-portal.siemens.com (NIST National Vulnerability Database)
First 24 hours
Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.
- Identify exposed assets running the affected vendor/product/version combinations (Netapp Element Software, Netapp Ontap Select Deploy, Netapp Storage Automation Store…).
- The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
- Apply the fixed version or the patch documented under Remediation.
- Exploitation requires user interaction: tighten email/web filtering and warn affected users.
- EPSS ahead of 98% of scored CVEs: prioritize it in the patch queue.
- Search available logs for exploit probes, errors and authentication anomalies.
Affected scope
Vendor, product and versions as the sources word them.
| Vendor | Product | Versions | Status | Source |
|---|---|---|---|---|
| Netapp | Element Software | versions not specified by the source | Vulnerable | NIST National Vulnerability Database |
| Netapp | Ontap Select Deploy | versions not specified by the source | Vulnerable | NIST National Vulnerability Database |
| Netapp | Storage Automation Store | versions not specified by the source | Vulnerable | NIST National Vulnerability Database |
| Openbsd | Openssh | ≤ 7.9 | Vulnerable | NIST National Vulnerability Database |
| Siemens | Scalance X204rna Eec Firmware | < 3.2.7 | Vulnerable | NIST National Vulnerability Database |
| Siemens | Scalance X204rna Firmware | < 3.2.7 | Vulnerable | NIST National Vulnerability Database |
| Winscp | Winscp | ≤ 5.13 | Vulnerable | NIST National Vulnerability Database |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Every base score collected
Sources score independently and may disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Scored by |
|---|---|---|---|---|---|
| 6.8 | CVSS 3.1 | Medium | 1.6 | 5.2 | nvd@nist.gov via NIST National Vulnerability Database |
| 6.8 | CVSS 3.1 | Medium | 1.6 | 5.2 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 via NIST National Vulnerability Database |
| 6.8 | CVSS 3.1 | Medium | — | — | CISA-ADP via CVE Program (cve.org) e CISA ADP |
| 6.8 | CVSS 3.0 | Medium | — | — | GitHub, Inc. via GitHub Security Advisories |
| 4.0 | CVSS 2.0 | Medium | 4.9 | 4.9 | nvd@nist.gov via NIST National Vulnerability Database |
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N (score shown at the top: nvd@nist.gov) Weakness MITRE
Weakness class according to MITRE’s CWE catalog.
Public exploits, PoCs and detection templates
Public code that demonstrates or tests the flaw raises the odds of mass exploitation — and Nuclei templates help find vulnerable assets in your environment.
- OpenSSH SCP Client - Write Arbitrary Files Jan 11, 2019
- SCP Client - Multiple Vulnerabilities (SSHtranger Things) Jan 18, 2019
Warning: public PoCs are sometimes disguised malware. Use them only for authorized testing in an isolated environment. This portal does not host exploit code — it only points to the sources.
EPSS over time FIRST
Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 24.90%
Detection
Read off the CVSS vector and the weakness class. Starting points, not tested rules.
- Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
Timeline
What happened to this CVE, newest first.
- 2026
- SSVC assessment updated
- Record published
- Fix documented
- Affected products added · openbsd/openssh, winscp/winscp, netapp/element software, netapp/ontap select deploy, netapp/storage automation store, si
- CVSS changed · 6.8
- Source status changed · → Modified
- Record created in this database
- 2019
- CVE published
Source activity
Repeated readings are counted rather than listed.
- 2× References added · Oct 14, 2026 – Oct 14, 2026
- 1× Official description updated · Oct 14, 2026 – Oct 14, 2026
References
13 on the record
- cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- cvsweb.openbsd.org/src/usr.bin/ssh/progressmeter.c
- cvsweb.openbsd.org/src/usr.bin/ssh/scp.c
- cert-portal.siemens.com/productcert/html/ssa-398330.html
- www.exploit-db.com/exploits/46193/
- security.gentoo.org/glsa/201903-16
- github.com/advisories/GHSA-mv2j-4mm8-9xgv
- www.exploit-db.com/exploits/46193
- cert-portal.siemens.com/productcert/html/ssa-412672.html
- sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt
- nvd.nist.gov/vuln/detail/CVE-2019-6110
- security.netapp.com/advisory/ntap-20190213-0001/
- security.netapp.com/advisory/ntap-20190213-0001
Elsewhere on this site
Related CVEs (same products)
- High CVE-2026-106583 In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line username, leading... 8d
- Low CVE-2026-106588 In sshd in OpenSSH through 10.6, use of the macOS 27 (or later) SDK has the side effect… 9d
- Low CVE-2026-106587 Type Confusion in Openbsd Openssh 9d
- Low CVE-2026-106589 In sshd in OpenSSH through 10.6, in certain environments such as QNX 6 and SCO… 9d
- Medium CVE-2026-106585 In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length... 9d
- Low CVE-2026-106584 In ssh-keygen in OpenSSH before 10.6, certificates could have incorrect expiration times… 9d
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record
Text assembled only from the fields above — no additional claims.
What should defenders know first?
CVE-2019-6110 is "In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a...", rated Medium. It affects Element Software (Netapp); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 6.8 describes technical severity. EPSS 24.90% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.
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