THREATPORT/VULNERABILITY/CVE-2011-4576
MEDIUM SEVERITY

CVE-2011-4576

Openssl vulnerability

CVSS
5.0
EPSS
14.5%
EPSS pct
96th
Exploited
No known
The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.
Affected vendor
Openssl
Affected product
Openssl
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness type (CWE)
Published
2012-01-06

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.

Its EPSS score of 14.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2011-4576

  • Confirm whether Openssl Openssl is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-4576.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-4576

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-4576 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2011-4576?

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