CVE-2025-20351

Risk Scores

Exploit Intelligence

• CIRCL seen: CVE-2025-20351 (circl-sighting)
• cisco-sa-phone-dos-FPyjLV7A (circl)

Timeline

• Oct 10, 2024 CVE ID Reserved
• Oct 15, 2025 Coalition ESS Score
• Oct 15, 2025 CVE Published
• Oct 15, 2025 PoC Published
• Oct 15, 2025 CVE Updated
• Oct 16, 2025 EPSS Score
• Oct 17, 2025 Coalition ESS Score
• Oct 22, 2025 EPSS Score
• Oct 28, 2025 EPSS Score
• Nov 3, 2025 EPSS Score
• Nov 9, 2025 EPSS Score
• Nov 10, 2025 Coalition ESS Score

References

• https://cert.ssi.gouv.fr/avis/CERTFR-2025-AVI-0884/ advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-FPyjLV7A advisory