THREATPORT/VULNERABILITY/CVE-2003-1562
HIGH SEVERITY

CVE-2003-1562

Openssh vulnerability

CVSS
7.6
EPSS
5.6%
EPSS pct
92th
Exploited
No known
sshd in OpenSSH 3.6.1p2 and earlier, when PermitRootLogin is disabled and using PAM keyboard-interactive authentication, does not insert a delay after a root login attempt with the correct password, which makes it easier for remote attackers to use timing differences to determine if the password step of a multi-step authentication is successful, a different vulnerability than CVE-2003-0190.
Affected vendor
Openbsd
Affected product
Openssh
CVSS vector
AV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness type (CWE)
Published
2003-12-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 5.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2003-1562

  • Confirm whether Openbsd Openssh is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2003-1562.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-1562

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-1562 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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