THREATPORT/VULNERABILITY/CVE-2003-0131
HIGH SEVERITY

CVE-2003-0131

Openssl vulnerability

CVSS
7.5
EPSS
6.3%
EPSS pct
93th
Exploited
No known
The SSL and TLS components for OpenSSL 0.9.6i and earlier, 0.9.7, and 0.9.7a allow remote attackers to perform an unauthorized RSA private key operation via a modified Bleichenbacher attack that uses a large number of SSL or TLS connections using PKCS #1 v1.5 padding that cause OpenSSL to leak information regarding the relationship between ciphertext and the associated plaintext, aka the "Klima-Pokorny-Rosa attack."
Affected vendor
Openssl
Affected product
Openssl
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2003-03-24

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 6.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2003-0131

  • Confirm whether Openssl Openssl is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2003-0131.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-0131

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-0131 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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