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CVE-2014-0160: OpenSSL Information Disclosure Vulnerability

criticalknown exploitedpublic exploitCVE-2014-0160
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
The TLS and DTLS implementations in OpenSSL do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information.

CSIRTS triage

vendor: OpenSSLproduct: OpenSSLInformation disclosure
What
Improper handling of Heartbeat Extension packets allows remote attackers to obtain sensitive information.
Who is affected
Users of OpenSSL implementations that utilize TLS and DTLS.
Urgency
Remediation is critical due to active exploitation and the severity of information disclosure.
Action
Update to the latest version of OpenSSL.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-05-04
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2014-0160

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2014-0160coverage & exploitation statusNVD · CVE.org

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