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October 2021 · Band 1

Exploited in the wild

18 CVEs · 18 exploited

Each square is a CVE listed by CISA as exploited. The named ones are the most likely to be exploited again.

exploited in the wild
18

Every one of the 18 is a mark on the map. Named now: 1 to 18, most at risk first.

  1. Apache 2.4.49 - Path Traversal and Remote Code ExecutionCVE-2021-41773Apache Software Foundation · CVSS 7.5 · 100% likely

    CWE-22Apache2 bounty reports

  2. Apache 2.4.49/2.4.50 - Path Traversal and Remote Code ExecutionCVE-2021-42013Apache Software Foundation · CVSS 9.8 · 100% likely

    CWE-22Apache2 bounty reports

  3. Grafana Snapshot - Authentication BypassCVE-2021-39226grafana · CVSS 9.8 · 100% likely

    CWE-287Grafana1 bounty report

  4. Draytek VigorConnect 6.0-B3 - Local File InclusionCVE-2021-20124DrayTek · CVSS 7.5 · 96% likely

    CWE-22Draytek

  5. Draytek VigorConnect 1.6.0-B - Local File InclusionCVE-2021-20123DrayTek · CVSS 7.5 · 90% likely

    CWE-22Draytek

  6. YeaLink DM 3.6.0.20 - Remote Command InjectionCVE-2021-27561Yealink · CVSS 9.8 · 84% likely

    CWE-78Yealink

  7. Win32k Elevation of Privilege VulnerabilityCVE-2021-40449Microsoft · CVSS 7.8 · 82% likely

    CWE-416Microsoft

  8. BillQuick Web Suite SQL InjectionCVE-2021-42258BQE · CVSS 9.8 · 75% likely

    CWE-89BQE

  9. Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.CVE-2021-30632Google · CVSS 8.8 · 63% likely

    CWE-787Google

  10. Use after free in V8 in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.CVE-2021-37975Google · CVSS 8.8 · 35% likely

    CWE-416Google

  11. Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape…CVE-2021-30633Google · CVSS 9.6 · 33% likely

    CWE-416Google

  12. A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may…CVE-2021-30807Apple · CVSS 7.8 · 29% likely

    CWE-787Apple

  13. Inappropriate implementation in Memory in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to obtain potentially sensitive information from process memory via a craft…CVE-2021-37976Google · CVSS 6.5 · 20% likely

    CWE-862Google

  14. Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a c…CVE-2021-37973Google · CVSS 9.6 · 12% likely

    CWE-416Google

  15. Win32k Elevation of Privilege VulnerabilityCVE-2021-41357Microsoft · CVSS 7.8 · 1.5% likely

    Microsoft

  16. Win32k Elevation of Privilege VulnerabilityCVE-2021-40450Microsoft · CVSS 7.8 · 1.5% likely

    Microsoft

  17. Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by der…CVE-2021-25487Samsung Mobile · CVSS 7.3 · 0.6% likely

    CWE-125Samsung

  18. Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.CVE-2021-25489Samsung Mobile · CVSS 3.3 · 0.5% likely

    CWE-20Samsung

exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.