Technical Severity
HIGH
CVSS v3.1 Metrics
7.5
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitation Likelihood
EPSS Prediction
94.46
%
Predictive Probability
Percentile Rank
100.0
th
Documented as more likely to be exploited than 100.0% of known CVEs.
Detection Date
May 04, 2022
Remediation Due
May 25, 2022
CISA Catalog Active
Threat Analysis
The TLS and DTLS implementations in OpenSSL do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information.
Remediation Directive
Apply updates per vendor instructions.