Vulnerability details
CVE-2016-6210
CVSS 3.1
5.9Medium
Official description
sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided.
Related news
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 5.9Medium | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| No product information recorded. | |||
References and advisories
12- https://access.redhat.com/errata/RHSA-2017:2563 vendor-advisory
- http://www.securitytracker.com/id/1036319 vdb-entry
- http://seclists.org/fulldisclosure/2016/Jul/51 mailing-list
- http://www.debian.org/security/2016/dsa-3626 vendor-advisory
- https://www.exploit-db.com/exploits/40136/ exploit
- https://www.exploit-db.com/exploits/40113/ exploit
- https://www.openssh.com/txt/release-7.3
- https://security.gentoo.org/glsa/201612-18 vendor-advisory
- https://access.redhat.com/errata/RHSA-2017:2029 vendor-advisory
- http://www.securityfocus.com/bid/91812 vdb-entry
- https://security.netapp.com/advisory/ntap-20190206-0001/
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
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Details
- Published
- 2017-02-13
- Last updated
- 2026-05-29
- State
- Published
- Assigner (CNA)
- mitre
- Kolun priority
- 44 · Medium
Exploit prediction (EPSS)
88.94%
Probability of exploitation in 30 days
99.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-200Exposure of Sensitive Information to an Unauthorized Actor