THREATPORT/VULNERABILITY/CVE-2003-1229
HIGH SEVERITY

CVE-2003-1229

Jre vulnerability

CVSS
7.5
EPSS
4.6%
EPSS pct
91th
Exploited
No known
X509TrustManager in (1) Java Secure Socket Extension (JSSE) in SDK and JRE 1.4.0 through 1.4.0_01, (2) JSSE before 1.0.3, (3) Java Plug-in SDK and JRE 1.3.0 through 1.4.1, and (4) Java Web Start 1.0 through 1.2 incorrectly calls the isClientTrusted method when determining server trust, which results in improper validation of digital certificate and allows remote attackers to (1) falsely authenticate peers for SSL or (2) incorrectly validate signed JAR files.
Affected vendor
Oracle
Affected product
Jre
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness type (CWE)
  • CWE-295 — Improper Certificate Validation
Published
2003-12-31

Risk analysis

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

Its EPSS score of 4.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2003-1229

  • Confirm whether Oracle Jre is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2003-1229.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-1229

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-1229 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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