CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
code execution
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2021-20314
Severity
CRITICAL
CVSS
9.8
EPSS
2.81%
Original NVD Description
Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.
Related CVEs
Other vulnerabilities affecting the same vendor(s)