CISA KEV · ENISA EUVD · FIRST EPSS

Exploited vulnerabilities

The vulnerabilities attackers actually use, gathered from public sources and ranked by priority. Updated automatically, every day.

1,783exploited vulnerabilities tracked
8added in 7 days
35added in 30 days
37rising fast
361used by ransomware
665to fix within 24 h
38 vulnerabilities Clear filters Data updated on 03 Nov 2026
CVEProductPhaseEPSSCVSSIndexExploited on
CVE-2021-22899Ivanti Pulse Connect Secure Command Injection VulnerabilityBackground exploitation22.9%8.86.003 Nov 2021
CVE-2021-22894Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow VulnerabilityBackground exploitation41.3%8.86.603 Nov 2021
CVE-2021-22893Ivanti Pulse Connect Secure Use-After-Free VulnerabilityBackground exploitation47.2%10.08.403 Nov 2021
CVE-2020-15505Ivanti MobileIron Multiple Products Remote Code Execution VulnerabilityBackground exploitation99.7%9.89.303 Nov 2021
CVE-2020-8260Ivanti Pulse Connect Secure Code Execution VulnerabilityBackground exploitation96.5%7.27.603 Nov 2021
CVE-2020-8243Ivanti Pulse Connect Secure Code Execution VulnerabilityBackground exploitation90.8%7.27.403 Nov 2021
CVE-2019-11539Ivanti Pulse Connect Secure and Policy Secure Command Injection VulnerabilityBackground exploitation98.5%8.08.603 Nov 2021
CVE-2019-11510Ivanti Pulse Connect Secure Arbitrary File Read VulnerabilityBackground exploitation100.00%9.99.403 Nov 2021

How we rank vulnerabilities

A vulnerability joins this list as soon as CISA adds it to its KEV catalog or ENISA flags it as exploited in the EUVD.

The CheckOps priority index, out of 10, combines severity (CVSS), the probability of exploitation within 30 days (EPSS, FIRST) and public exploitation signals.

Above 8, we recommend patching within 24 hours; above 6, or as soon as a vulnerability is exploited, within 7 days.

Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors.