CVE-2003-0190
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OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows…
rank 39 = 19 + 13 + 1 + 6 + 0
rank@v1 · scheduled
Someone is already using it
CISA KEV catalog · public proof-of-concept · FIRST EPSS
EPSS 0.76751 · without this subject the record ranks 20
What it costs you if it fires
NVD CVSS base score, then the CNA's own
CVSS 5.0, from NVD · without this subject the record ranks 26
It is getting worse, not staying still
FIRST EPSS series, rescorings and bad loads removed
rose on 2026-03-14 · without this subject the record ranks 38
How much of the world it touches
NVD CPE configurations
6 products in the CPE ranges · without this subject the record ranks 33
Someone else already set the date
CISA KEV remediation due date
no CISA due date · without this subject the record ranks 39
$1.10M = $4.99M incident cost x 0.28625080150224425 exposure x 0.76751 likelihood
udv@v1 · unaudited · wrong for you until you say what you run
$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.
Hindsight · the state
Foresight · where to check next
No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.
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Harm, if it fires from the vector and the weakness
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CISA KEV & Federal Remediation Deadline from the record and CISA
The fix, and how long it's been waiting.
Exploit Status & Known PoCs a ladder, not a score
Current rung: Nothing observed in held sources.
- RUNG 1Nothing observed in held sources
- RUNG 2Proof-of-concept published
- RUNG 3Exploited in the wild · CISA KEV listed
- RUNG 4Ransomware campaign use known
Affected & Fixed Versions as published
Show all 6 published ranges
A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.
What it is stated by the CNA
OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack. receipt
NVD's analysis a second authority
- severity
- 5 AV:N/AC:L/Au:N/C:P/I:N/A:N
- weakness
- CWE-203
- affected versions
- openbsd openssh < 3.6.1; openbsd openssh 3.6.1; openpkg 1.2; and 3 more, listed in full below
check it yourself redhat.com marc.info securityfocus.com marc.info redhat.com oval.cisecurity.org +4 morereceipt
Dated events
Movement the material steps
Show all 29 observations
29 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt
The full biography
The record had been public for 23 years, 1 month when this index was last written.
Siblings and hubs
Records related to this one
Browse the index from here
These are index-wide views, not findings about CVE-2003-0190.
What usually comes next
Everything above needs no account. What is below is work: assembling it, scoping it to your estate, watching it, and handing it to someone else.