VulnerabilityModified
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 timing attack.
MEDIUM 5.0EPSS 76.8%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 76.8%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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 timing attack.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 76.75% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- openbsd/openssh · openpkg/openpkg · siemens/scalance x204rna ecc firmware · siemens/scalance x204rna firmware
- Source
- cve@mitre.org
References
- http://lab.mediaservice.net/advisory/2003-01-openssh.txtBroken Link
- http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.htmlBroken Link
- http://marc.info/?l=bugtraq&m=105172058404810&w=2Third Party Advisory
- http://marc.info/?l=bugtraq&m=106018677302607&w=2Third Party Advisory
- http://www.redhat.com/support/errata/RHSA-2003-222.htmlBroken Link
- http://www.redhat.com/support/errata/RHSA-2003-224.htmlBroken Link
- http://www.securityfocus.com/bid/7467Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
- http://www.turbolinux.com/security/TLSA-2003-31.txtBroken Link
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfThird Party Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445Broken Link
- http://lab.mediaservice.net/advisory/2003-01-openssh.txtBroken Link
- http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.htmlBroken Link
- http://marc.info/?l=bugtraq&m=105172058404810&w=2Third Party Advisory
- http://marc.info/?l=bugtraq&m=106018677302607&w=2Third Party Advisory
- http://www.redhat.com/support/errata/RHSA-2003-222.htmlBroken Link
- http://www.redhat.com/support/errata/RHSA-2003-224.htmlBroken Link
- http://www.securityfocus.com/bid/7467Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
- http://www.turbolinux.com/security/TLSA-2003-31.txtBroken Link
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfThird Party Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445Broken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.