CVE detail

CVE-1999-1231 — CVE-1999-1231

Published 1999-06-09 · Modified 2026-06-16 · Vendor ssh · Product ssh2 · Source nvd

UNKNOWN

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.0148

EPSS probability

exploitation probability, 30d

71.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

ssh 2.0.12, and possibly other versions, allows valid user names to attempt to enter the correct password multiple times, but only prompts an invalid user name for a password once, which allows remote attackers to determine user account names on the server.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.