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December 2021 · Band 3

Likely to be exploited (10% or more)

47 CVEs

Each square is a CVE that EPSS gives a 10% or higher chance of exploitation in the next 30 days.

likely to be exploited
47

Every one of the 47 is a mark on the map. Named now: 1 to 26, most at risk first.

  1. Apache Log4j2 does not always protect from infinite recursion in lookup evaluationCVE-2021-45105Apache Software Foundation · CVSS 5.9 · 100% likely

    CWE-674Apache

  2. Apache Log4j2 vulnerable to RCE via JDBC Appender when attacker controls configurationCVE-2021-44832Apache Software Foundation · CVSS 6.6 · 98% likely

    CWE-20Apache

  3. Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlierCVE-2021-44790Apache Software Foundation · 97% likely

    CWE-787Apache1 bounty report

  4. Possible NULL dereference or SSRF in forward proxy configurations in Apache HTTP Server 2.4.51 and earlierCVE-2021-44224Apache Software Foundation · 82% likely

    CWE-476Apache

  5. An unrestricted file upload vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to write dangerous files.CVE-2021-42125Ivanti · 82% likely

    CWE-502Ivanti

  6. Deserialization of untrusted data in JMSAppender in Apache Log4j 1.2CVE-2021-4104Apache Software Foundation · CVSS 7.5 · 81% likely

    CWE-502Apache

  7. Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary comm…CVE-2021-20039SonicWall · CVSS 8.8 · 79% likely

    CWE-78SonicWall

  8. A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.CVE-2021-42129Ivanti · 77% likely

    CWE-77Ivanti

  9. A command Injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.CVE-2021-42132Ivanti · 70% likely

    CWE-77Ivanti

  10. A SQL Injection vulnerability exists in Ivanti Avalance before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation.CVE-2021-42131Ivanti · 67% likely

    CWE-89Ivanti

  11. A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 using Inforail Service allows arbitrary code execution via Data Repository Service.CVE-2021-42127Ivanti · 66% likely

    CWE-502Ivanti

  12. A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary code executio…CVE-2021-42130Ivanti · 62% likely

    CWE-502Ivanti

  13. Unrestricted Upload of Files in PatrowlCVE-2021-43829Patrowl · CVSS 7.4 · 59% likely

    CWE-434

  14. Directory Traversal in GrafanaCVE-2021-43813grafana · CVSS 4.3 · 57% likely

    CWE-22Grafana

  15. Gerapy may contain remote code execution vulnerabilityCVE-2021-43857Gerapy · CVSS 9.8 · 56% likely

    CWE-78

  16. Invalid handling of X509_verify_cert() internal errors in libsslCVE-2021-4044OpenSSL · 50% likely

    CWE-835OpenSSL1 bounty report

  17. Unexpected server crash in Next.jsCVE-2021-43803vercel · CVSS 7.5 · 47% likely

    CWE-20Vercel

  18. A post-authentication remote command injection vulnerability in SonicWall SMA100 allows a remote authenticated attacker to execute OS system commands in the appliance. This vulner…CVE-2021-20044SonicWall · 40% likely

    CWE-78SonicWall

  19. SQL Injection in wbce/wbce_cmsCVE-2021-3817wbce · CVSS 9.8 · 38% likely

    CWE-89Wbce

  20. Distributed Data Systems WebHMCVE-2021-43936Distributed Data Systems · CVSS 10 · 36% likely

    CWE-434

  21. User privilege escalation in MinIOCVE-2021-43858minio · CVSS 8.8 · 35% likely

    CWE-269MinIO

  22. HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) i…CVE-2021-41805Hashicorp · 35% likely

    CWE-863HashiCorp

  23. A stack-based buffer overflow vulnerability exists in the Web Manager FsUnmount functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request c…CVE-2021-21892Lantronix · CVSS 9.9 · 30% likely

    CWE-121Lantronix

  24. Prototype PollutionCVE-2021-23450Linuxfoundation · CVSS 7.5 · 30% likely

    CWE-1321Linuxfoundation

  25. Improper Access Control in bookstackapp/bookstackCVE-2021-4119bookstackapp · CVSS 5.3 · 27% likely

    CWE-284BookStackApp

  26. A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated attacker to potentially execute code as the 'nobody' user in…CVE-2021-20045SonicWall · 25% likely

    CWE-120SonicWall

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.