Vulnocalypse
Back to feed

Cisco vulnerabilities

Every Cisco vulnerability Vulnocalypse is tracking, newest first: whether it’s being exploited, which CERTs have warned about it and how widely it’s covered. Subscribe with the RSS feed for Cisco alerts.

Cisco RSS feed

  1. 88impact

    Cisco Identity Services Engine Authentication Bypass Vulnerability

    Cisco ISE CVE-2026-76460
    Known exploited (KEV) (CISA)0 news outlets1 CERTs0 researchersCVSS 10.0
  2. 88impact

    Cisco Secure Email Gateway SQL Injection Vulnerability

    Cisco Secure Email Gateway CVE-2026-76461
    Known exploited (KEV) (CISA)0 news outlets1 CERTs0 researchersCVSS 9.8
  3. 53impact

    Multiple Cisco Products Snort 3 Software Hardening Release: October 2026

    Cisco CVE-2026-20043
    0 news outlets1 CERTs0 researchersCVSS 9.0
  4. 77impact

    Cisco SD-WAN Software Privilege Escalation Vulnerability

    Cisco CVE-2022-20775
    Known exploited (KEV) (CISA)0 news outlets1 CERTs0 researchersCVSS 7.8
  5. 81impact

    Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability

    Cisco Catalyst SD-WAN Manager CVE-2026-20128
    Known exploited (KEV) (CISA)0 news outlets1 CERTs0 researchersCVSS 7.5
  6. 52impact

    Cisco Unified Communications Products Hardening Release: October 2026 - Improper control of a resource through its lifetime.

    Cisco CVE-2026-76473
    0 news outlets0 CERTs0 researchersCVSS 9.8
  7. 56impact

    Cisco Expressway Series Remote Code Execution Vulnerability

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76466
    1 news outlets0 CERTs0 researchersCVSS 9.8
  8. 52impact

    Cisco Unified Communications Products Hardening Release: October 2026 - Improper Authentication Vulnerabilities

    Cisco CVE-2026-76474
    0 news outlets0 CERTs0 researchersCVSS 9.8
  9. 89impact

    Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability

    Cisco Catalyst SD-WAN Manager CVE-2026-76504
    Known exploited (KEV) (CISA)0 news outlets2 CERTs0 researchersCVSS 9.8
  10. 86impact

    Cisco Secure Email Gateway Arbitrary File Write Vulnerability

    Cisco Secure Email Gateway CVE-2026-76519
    Known exploited (KEV) (CISA)0 news outlets1 CERTs0 researchersCVSS 9.8
  11. 57impact

    Cisco Identity Services Engine Multiple Remote Code Execution Vulnerability

    Cisco ISE CVE-2026-20180
    0 news outlets1 CERTs0 researchersCVSS 9.9
  12. 57impact

    Cisco Identity Services Engine Multiple Authenticated Remote Code Execution Vulnerability

    Cisco ISE CVE-2026-20186
    0 news outlets1 CERTs0 researchersCVSS 9.9
  13. 51impact

    Cisco Webex Meetings Certificate Validation Vulnerability

    Cisco Webex CVE-2026-20184
    0 news outlets1 CERTs0 researchersCVSS 9.8
  14. 57impact

    Cisco Identity Services Engine Remote Code Execution Vulnerability

    Cisco ISE CVE-2026-20147
    0 news outlets1 CERTs0 researchersCVSS 9.9
  15. 89impact

    Cisco IOS XE: Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS

    Cisco IOS XE CVE-2023-20198
    Known exploited (KEV) (CISA)0 news outlets1 CERTs0 researchersCVSS 10.0
  16. 35impact

    Cisco Unity Connection Open Redirect Vulnerability

    Cisco Unity Connection CVE-2026-20060
    0 news outlets0 CERTs0 researchersCVSS 4.7
  17. 89impact

    Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

    Cisco Catalyst SD-WAN Manager CVE-2026-20127
    Known exploited (KEV) (CISA)0 news outlets1 CERTs0 researchersCVSS 10.0
  18. 80impact

    Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability

    Cisco ASA/FTD CVE-2026-20349
    Known exploited (KEV) (CISA)0 news outlets0 CERTs1 researchersCVSS 8.6
  19. 71impact

    Cisco Secure Firewall Management Center Software Static Credential Vulnerability

    Cisco Secure Firewall Management Center (FMC) CVE-2026-20316
    Known exploited (KEV) (CISA)0 news outlets0 CERTs0 researchersCVSS 5.3
  20. 88impact

    Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability

    Cisco Secure Firewall Management Center (FMC) CVE-2026-20079
    Known exploited (KEV) (CISA)0 news outlets0 CERTs1 researchersCVSS 10.0
  21. 38impact

    Cisco Expressway Series Information Disclosure Vulnerability

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76435
    0 news outlets0 CERTs0 researchersCVSS 5.3
  22. 40impact

    Cisco Unified Communications Manager Improper Access Control Vulnerability

    Cisco Unified Communications Manager CVE-2026-76487
    0 news outlets0 CERTs0 researchersCVSS 5.3
  23. 41impact

    Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability

    Cisco CVE-2026-20011
    0 news outlets0 CERTs0 researchersCVSS 5.8
  24. 41impact

    Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities

    Cisco CVE-2026-20019
    0 news outlets0 CERTs0 researchersCVSS 5.8
  25. 39impact

    Multiple Cisco Products Snort 3 Denial of Service Vulnerability

    Cisco CVE-2026-76445
    0 news outlets0 CERTs0 researchersCVSS 5.3
  26. 43impact

    Cisco Secure Firewall Threat Defense Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability

    Cisco CVE-2026-20218
    0 news outlets0 CERTs0 researchersCVSS 5.8
  27. 40impact

    Multiple Cisco Products Snort 3 Generic File Processing Memory Exhaustion Denial of Service Vulnerability

    Cisco CVE-2026-76489
    0 news outlets0 CERTs0 researchersCVSS 5.8
  28. 41impact

    Multiple Cisco Products Snort 3 Teredo Protocol Denial of Service Vulnerability

    Cisco CVE-2026-20197
    0 news outlets0 CERTs0 researchersCVSS 5.8
  29. 41impact

    Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities

    Cisco CVE-2026-20221
    0 news outlets0 CERTs0 researchersCVSS 5.8
  30. 41impact

    Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities

    Cisco CVE-2026-20179
    0 news outlets0 CERTs0 researchersCVSS 5.8
  31. 49impact

    Multiple Cisco Products Snort 3 Software Hardening Release: October 2026

    Cisco CVE-2026-20236
    0 news outlets1 CERTs0 researchersCVSS 7.5
  32. 46impact

    Cisco Unified Communications Products Hardening Release: October 2026 - Improper Check or Handling of Exceptional Conditions Vulnerabilities

    Cisco CVE-2026-76481
    0 news outlets0 CERTs0 researchersCVSS 7.5
  33. 36impact

    Cisco Expressway Series Software Hardening Release: October 2026 - Improper Link Resolution Vulnerabilities

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76496
    0 news outlets0 CERTs0 researchersCVSS 7.0
  34. 44impact

    Cisco Unified Communications Products Hardening Release: October 2026 - Improper Input Validation Vulnerabilities

    Cisco CVE-2026-76476
    0 news outlets0 CERTs0 researchersCVSS 8.8
  35. 42impact

    Cisco Unified Communications Products Hardening Release: October 2026 - Improper Access Control Vulnerabilities

    Cisco CVE-2026-76478
    0 news outlets0 CERTs0 researchersCVSS 8.8
  36. 44impact

    Cisco Expressway Series Software Hardening Release: October 2026 - Uncaught Exception Vulnerabilities

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76493
    0 news outlets0 CERTs0 researchersCVSS 7.5
  37. 44impact

    Cisco Unified Communications Products Hardening Release: October 2026 - Injection Vulnerabilities

    Cisco CVE-2026-76477
    0 news outlets0 CERTs0 researchersCVSS 8.8
  38. 39impact

    Cisco Expressway Series Software Hardening Release: October 2026 - Code Injection Vulnerabilities

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76494
    0 news outlets0 CERTs0 researchersCVSS 7.8
  39. 38impact

    Cisco Expressway Series Software Hardening Release: October 2026 - Incorrect Permission Assignment Vulnerabilities

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76495
    0 news outlets0 CERTs0 researchersCVSS 7.8
  40. 48impact

    Cisco Expressway Series Software Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76490
    0 news outlets0 CERTs0 researchersCVSS 8.6
  41. 32impact

    Cisco Secure Client Privilege Escalation Vulnerability

    Cisco Secure Client CVE-2026-76462
    0 news outlets0 CERTs0 researchersCVSS 5.5
  42. 39impact

    Cisco Unified Communications Products Hardening Release: October 2026 - Path Traversal Vulnerabilities

    Cisco CVE-2026-76479
    0 news outlets0 CERTs0 researchersCVSS 7.8
  43. 51impact

    Cisco IOS XR Software for ASR 9000 Series Routers IPv4 Unicast Packets Denial of Service Vulnerability

    Cisco IOS XE CVE-2026-76505
    0 news outlets2 CERTs0 researchersCVSS 7.5
  44. 44impact

    Cisco Expressway Series Software Hardening Release: October 2026 - Denial of Service Vulnerabilities

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76491
    0 news outlets0 CERTs0 researchersCVSS 7.5
  45. 43impact

    Multiple Cisco Products Snort 3 Software Hardening Release: October 2026

    Cisco CVE-2026-20291
    0 news outlets1 CERTs0 researchersCVSS 7.8
  46. 44impact

    Cisco Unified Communications Products Hardening Release: October 2026 - Cross-site Scripting Vulnerabilities

    Cisco CVE-2026-76475
    0 news outlets0 CERTs0 researchersCVSS 9.3
  47. 44impact

    Cisco Expressway Series Software Hardening Release: October 2026 - NULL Pointer Vulnerabilities

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76492
    0 news outlets0 CERTs0 researchersCVSS 7.5
  48. 35impact

    Cisco Expressway Series Software Hardening Release: October 2026 - Insecure Temporary File Vulnerabilities

    Cisco TelePresence Video Communication Server (VCS) Expressway CVE-2026-76497
    0 news outlets0 CERTs0 researchersCVSS 6.6
  49. 49impact

    Multiple Cisco Products Snort 3 Software Hardening Release: October 2026

    Cisco CVE-2026-20356
    0 news outlets1 CERTs0 researchersCVSS 7.5
  50. 39impact

    Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability

    Cisco Open Source Snort3 CVE-2026-76524
    0 news outlets0 CERTs0 researchersCVSS 7.8