CVE-1999-0398

mediumpriority · track · 18EPSS 0.004 · 33 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.39% (33rd) EPSS

CVSS 4.6 · medium

Is it mine?

3 products

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

In some instances of SSH 1.2.27 and 2.0.11 on Linux systems, SSH will allow users with expired accounts to login.

cvss

Technical severity, 0–10. One row per scoring source.

4.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.9–4.6

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v2.03.9lowAV:L/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

CWE-287USLLM-inferred

Products and version ranges known to be affected.

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 1999-01-01modified 2026-06-16

External citations — patches, advisories, analysis.

scry

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