Information disclosure in Openbsd Openssh
CVE-2016-6210
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 di…
Vulnerability class: Information Disclosure
EPSS: 0.900 (99.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Openbsd Openssh
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vdb-entry)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (exploit)
- cve@mitre.org (exploit)
- cve@mitre.org (Release Notes, Vendor Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-6210?
- CVE-2016-6210 is a medium-severity vulnerability in Openbsd Openssh, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-02-13.
- How severe is CVE-2016-6210?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2016-6210 known to be exploited?
- 40 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.