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.

1,786exploited vulnerabilities tracked
5added in 7 days
38added in 30 days
39rising fast
361used by ransomware
667to fix within 24 h
1,786 vulnerabilities Data updated on 06 Nov 2026
CVEProductPhaseEPSSCVSSIndexExploited on
CVE-2020-8467Trend Micro Apex One and OfficeScan Remote Code Execution VulnerabilityBackground exploitation10.9%8.85.603 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-2020-8196Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure VulnerabilityBackground exploitation26.3%4.34.303 Nov 2021
CVE-2020-8195Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure VulnerabilityBackground exploitation33.0%6.55.403 Nov 2021
CVE-2020-8193Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass VulnerabilityBackground exploitation88.3%6.57.603 Nov 2021
CVE-2020-7961Liferay Portal Deserialization of Untrusted Data VulnerabilityBackground exploitation99.9%9.89.303 Nov 2021
CVE-2020-6820Mozilla Firefox And Thunderbird Use-After-Free VulnerabilityBackground exploitation7.1%8.15.303 Nov 2021
CVE-2020-6819Mozilla Firefox And Thunderbird Use-After-Free VulnerabilityBackground exploitation3.0%8.15.103 Nov 2021
CVE-2020-6418Google Chromium V8 Type Confusion VulnerabilityBackground exploitation78.8%8.88.303 Nov 2021
CVE-2020-6287SAP NetWeaver Missing Authentication for Critical Function VulnerabilityBackground exploitation94.7%10.09.203 Nov 2021
CVE-2020-6207SAP Solution Manager Missing Authentication for Critical Function VulnerabilityBackground exploitation98.1%10.09.303 Nov 2021
CVE-2020-5902F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution VulnerabilityBackground exploitation100.00%9.89.903 Nov 2021
CVE-2020-5849Unraid Authentication Bypass VulnerabilityBackground exploitation93.2%7.58.203 Nov 2021
CVE-2020-5847Unraid Remote Code Execution VulnerabilityBackground exploitation95.8%9.89.203 Nov 2021
CVE-2020-5735Amcrest Cameras and NVR Stack-based Buffer Overflow VulnerabilityBackground exploitation36.2%8.86.403 Nov 2021
CVE-2020-4430IBM Data Risk Manager Directory Traversal VulnerabilityBackground exploitation68.5%4.35.603 Nov 2021
CVE-2020-4428IBM Data Risk Manager Remote Code Execution VulnerabilityBackground exploitation61.7%9.17.303 Nov 2021
CVE-2020-4427IBM Data Risk Manager Security Bypass VulnerabilityBackground exploitation70.0%9.08.103 Nov 2021
CVE-2020-4006Multiple VMware Products Command Injection VulnerabilityBackground exploitation17.3%9.16.003 Nov 2021
CVE-2020-3992VMware ESXi OpenSLP Use-After-Free VulnerabilityBackground exploitation83.0%9.89.403 Nov 2021
CVE-2020-3952VMware vCenter Server Information Disclosure VulnerabilityBackground exploitation90.4%9.89.003 Nov 2021
CVE-2020-3950VMware Multiple Products Privilege Escalation VulnerabilityBackground exploitation7.3%7.84.503 Nov 2021
CVE-2020-3580Cisco ASA and FTD Cross-Site Scripting (XSS) VulnerabilityBackground exploitation85.6%6.18.003 Nov 2021
CVE-2020-3569Cisco IOS XR Software DVMRP Memory Exhaustion VulnerabilityBackground exploitation3.3%8.65.303 Nov 2021
CVE-2020-3566Cisco IOS XR Software DVMRP Memory Exhaustion VulnerabilityBackground exploitation3.7%8.65.403 Nov 2021
CVE-2020-3452Cisco ASA and FTD Read-Only Path Traversal VulnerabilityBackground exploitation99.99%7.58.403 Nov 2021
CVE-2020-3161Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service VulnerabilityBackground exploitation83.9%9.88.803 Nov 2021
CVE-2020-3118Cisco IOS XR Software Discovery Protocol Format String VulnerabilityBackground exploitation11.7%8.85.703 Nov 2021
CVE-2020-2555Oracle Multiple Products Remote Code Execution VulnerabilityBackground exploitation97.1%9.89.203 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.