Known Exploited Vulnerabilities (KEV)

ID Title Severity CVSS EPSS Source Updated
cve-2021-27852 Checkbox Survey Deserialization of Untrusted Data Vulnerability HIGH N/A 30.26% cvelistv5 2022-04-11
cve-2021-27850 Apache tapestry Exposure of Sensitive Information to an Unauthorized Actor HIGH N/A 93.56% cvelistv5 2023-12-03
cve-2021-27692 Tenda g1_firmware Improper Neutralization of Special Elements used in an OS Command HIGH N/A 3.19% cvelistv5 2025-06-08
cve-2021-27691 Tenda g0_firmware Improper Neutralization of Special Elements used in an OS Command HIGH N/A 25.37% cvelistv5 2026-08-22
cve-2021-27670 appspace appspace Server-Side Request Forgery HIGH N/A 61.27% cvelistv5 2026-01-21
cve-2021-27562 Arm Trusted Firmware Out-of-Bounds Write Vulnerability HIGH N/A 3.06% cvelistv5 2021-03-15
cve-2021-27561 Yealink Device Management Server-Side Request Forgery (SSRF) Vulnerability CRITICAL 9.8 82.86% cvelistv5 2021-03-15
cve-2021-27358 Grafana Snapshot Feature Remote API Denial of Service HIGH N/A 83.04% cvelistv5 2026-05-01
cve-2021-27137 DD-WRT Stack-Based Buffer Overflow Vulnerability HIGH 8.1 4.00% cvelistv5 2026-06-03
cve-2021-27104 Accellion FTA OS Command Injection Vulnerability CRITICAL N/A 56.69% cvelistv5 2021-04-13
cve-2021-27103 Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability CRITICAL N/A 11.41% cvelistv5 2021-04-13
cve-2021-27102 Accellion FTA OS Command Injection Vulnerability CRITICAL N/A 3.65% cvelistv5 2021-04-13
cve-2021-27101 Accellion FTA SQL Injection Vulnerability CRITICAL N/A 6.00% cvelistv5 2021-04-13
cve-2021-27085 Microsoft Internet Explorer Remote Code Execution Vulnerability HIGH 8.8 5.45% cvelistv5 2021-03-12
cve-2021-27065 Microsoft Exchange Server Remote Code Execution Vulnerability HIGH 7.8 99.88% cvelistv5 2021-03-02
cve-2021-27059 Microsoft Office Remote Code Execution Vulnerability HIGH 7.6 6.08% cvelistv5 2021-03-12
cve-2021-26858 Microsoft Exchange Server Remote Code Execution Vulnerability HIGH 7.8 93.65% cvelistv5 2021-03-02
cve-2021-26857 Microsoft Exchange Server Remote Code Execution Vulnerability HIGH 7.8 95.76% cvelistv5 2021-03-02
cve-2021-26855 Microsoft Exchange Server Remote Code Execution Vulnerability CRITICAL 9.1 100.00% cvelistv5 2021-03-02
cve-2021-26829 OpenPLC ScadaBR Cross-site Scripting Vulnerability MEDIUM 5.4 48.05% cvelistv5 2025-10-09
cve-2021-26828 OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability HIGH N/A 39.10% cvelistv5 2025-10-09
cve-2021-26411 Microsoft Internet Explorer Memory Corruption Vulnerability HIGH 8.8 81.67% cvelistv5 2021-03-09
cve-2021-26295 Apache OFBiz Deserialization of Untrusted Data HIGH N/A 97.82% cvelistv5 2023-12-05
cve-2021-26294 afterlogic aurora Improper Limitation of a Pathname to a Restricted Directory HIGH N/A 16.90% cvelistv5 2025-01-22
cve-2021-26086 Atlassian Jira Server and Data Center Path Traversal Vulnerability MEDIUM 5.3 100.00% cvelistv5 2023-11-18
cve-2021-26085 Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability MEDIUM 5.3 99.94% cvelistv5 2022-03-28
cve-2021-26084 Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability CRITICAL 9.8 100.00% cvelistv5 2021-09-08
cve-2021-25899 void aurall_rec_monitor Improper Neutralization of Special Elements used in an SQL Command HIGH N/A 12.25% cvelistv5 2024-01-22
cve-2021-25864 dgtl huemagic Improper Limitation of a Pathname to a Restricted Directory HIGH N/A 9.33% cvelistv5 2023-12-24
cve-2021-25646 Apache Druid 0.20.0 Remote Command Execution HIGH N/A 99.06% cvelistv5 2023-11-13