01 Record

CVE-2003-0190

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 76.75% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 99.5% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2003-05-02 00:00Z23 YR AGO

Last updated

2024-08-08 01:43Z2 YR AGO

Reserved

2003-04-01

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-203Observable DiscrepancyBase

Data version

5.1

Document digest

a4ac43a017039e078b4f7bc40c6144558eba64dfa4d04f918df48348739877d7

05 Affected products

VendorProductVersionsPlatforms

openbsdopensshNot specified—

openpkgopenpkgNot specified—

redhatenterprise_linuxNot specified—

redhatlinuxNot specified—

siemensscalance_x204rnaNot specified—

siemensscalance_x204rna_eccNot specified—

siemensscalance_x204rna_ecc_firmwareNot specified—

siemensscalance_x204rna_firmwareNot specified—

06 References

www.redhat.comRHSA-2003:222http://www.redhat.com/support/errata/RHSA-2003-222.htmlvendor-advisory
marc.info20030430 OpenSSH/PAM timing attack allows remote users identificationhttp://marc.info/?l=bugtraq&m=105172058404810&w=2mailing-list
www.securityfocus.com7467http://www.securityfocus.com/bid/7467vdb-entry
marc.info20030806 [OpenPKG-SA-2003.035] OpenPKG Security Advisory (openssh)http://marc.info/?l=bugtraq&m=106018677302607&w=2mailing-list
www.redhat.comRHSA-2003:224http://www.redhat.com/support/errata/RHSA-2003-224.htmlvendor-advisory
oval.cisecurity.orgoval:org.mitre.oval:def:445https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445vdb-entrysignature
lab.mediaservice.nethttp://lab.mediaservice.net/advisory/2003-01-openssh.txt
www.turbolinux.comTLSA-2003-31http://www.turbolinux.com/security/TLSA-2003-31.txtvendor-advisory
lists.grok.org.uk20030430 OpenSSH/PAM timing attack allows remote users identificationhttp://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.htmlmailing-list
cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

01 Record index

CVE-2003-0190

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2003-0190

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References