Security readout for executives and security teams
This OpenSSH issue can let a remote attacker infer whether usernames exist by measuring SSH login response timing. It does not grant access by itself, but it can improve password-guessing or targeting. The sources describe affected OpenSSH before 7.3 under SHA256 or SHA512 password hashing. Internet-facing SSH services running OpenSSH before 7.3 are the primary concern, especially Unix-like systems using SHA256 or SHA512 password hashes. Appliances bundling older OpenSSH may also be exposed if their vendors shipped affected builds. Treat this as a targeted exposure-reduction item, not an emergency breach indicator. Patch older SSH services during normal vulnerability remediation, with higher priority for internet-facing administrative systems and environments with weak account hygiene. Mitigation focus: Upgrade OpenSSH to 7.3 or a vendor-fixed package.; Apply relevant Debian, Red Hat, Gentoo, or product vendor advisories.; Prioritize internet-facing SSH services and administrative jump hosts..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2016-6210 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N2.23.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2017:2563CVE reference, mitre · vendor-advisory
- 40136CVE reference, mitre · exploit
- 40113CVE reference, mitre · exploit
- https://www.openssh.com/txt/release-7.3CVE reference, mitre
- GLSA-201612-18CVE reference, mitre · vendor-advisory
- RHSA-2017:2029CVE reference, mitre · vendor-advisory
- https://security.netapp.com/advisory/ntap-20190206-0001/CVE reference, mitre
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfCVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.