Cisco Prime Access Registrar vulnerabilities

4 CVEs affecting Cisco Prime Access Registrar, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2022-20626, published 2024-11-15.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2023-44487: HTTP/2 Rapid Reset Attack Vulnerability, published 2023-10-10. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2023-10-10. EPSS: 100% chance of exploitation in the next 30 days. The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVE-2018-0421, published 2018-10-05. High severity, CVSS 8.6. EPSS: 3.5% chance of exploitation in the next 30 days. A vulnerability in TCP connection management in Cisco Prime Access Registrar could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition when the application…
CVE-2021-34731, published 2021-11-04. Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days. A vulnerability in the web-based management interface of Cisco Prime Access Registrar could allow an authenticated, remote attacker to perform a stored cross-site scripting attack on an affected…
CVE-2022-20626, published 2024-11-15. Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days. A vulnerability in the web-based management interface of Cisco Prime Access Registrar Appliance could allow an authenticated, remote attacker to conduct a cross-site scripting attack against a…