# Cisco Secure Firewall Management Center (FMC) vulnerabilities

Source: https://junglewise.ai/threats/technologies/secure-firewall-management-center-fmc  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/secure-firewall-management-center-fmc.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Cisco Secure Firewall Management Center (FMC): 0 in the last 7 days and 0 in the last 90 days, 3 of them critical and 3 exploited in the wild. The most recent, CVE-2026-20200, was published on 5 August 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (3 critical, 3 exploited in the wild)

## About Cisco Secure Firewall Management Center (FMC)

Cisco's centralized management platform for Secure Firewalls that enables policy configuration and monitoring.

## Latest Cisco Secure Firewall Management Center (FMC) vulnerabilities

- [CVE-2026-20200: Cisco IMC argument injection in web management interface](https://junglewise.ai/threats/cve-2026-20200-cisco-imc-argument-injection-in-web-management-interface) (high, CVSS 8.8, published 5 Aug 2026)
- [CVE-2026-20316: Cisco Secure Firewall Management Center static credentials in web interface](https://junglewise.ai/threats/cve-2026-20316-cisco-secure-firewall-management-center-static-credentials-in-web) (critical, exploited in the wild, CVSS 5.3, published 29 Jul 2026)
- [CVE-2026-20131: Cisco Secure Firewall Management Center deserialization RCE](https://junglewise.ai/threats/cve-2026-20131-cisco-secure-firewall-management-center-deserialization-rce) (critical, exploited in the wild, CVSS 10, published 19 Mar 2026)
- [CVE-2026-20079: Cisco Secure Firewall Management Center auth bypass in web interface](https://junglewise.ai/threats/cve-2026-20079-cisco-secure-firewall-management-center-auth-bypass-in-web) (critical, exploited in the wild, CVSS 10, published 4 Mar 2026)
- [CVE-2026-20058: Cisco Snort 3 VBA decompression denial of service](https://junglewise.ai/threats/cve-2026-20058-cisco-snort-3-vba-decompression-denial-of-service) (medium, CVSS 5.8, published 4 Mar 2026)

## Most severe Cisco Secure Firewall Management Center (FMC) vulnerabilities

- [CVE-2026-20079: Cisco Secure Firewall Management Center auth bypass in web interface](https://junglewise.ai/threats/cve-2026-20079-cisco-secure-firewall-management-center-auth-bypass-in-web) (critical, exploited in the wild, CVSS 10, published 4 Mar 2026)
- [CVE-2026-20131: Cisco Secure Firewall Management Center deserialization RCE](https://junglewise.ai/threats/cve-2026-20131-cisco-secure-firewall-management-center-deserialization-rce) (critical, exploited in the wild, CVSS 10, published 19 Mar 2026)
- [CVE-2026-20316: Cisco Secure Firewall Management Center static credentials in web interface](https://junglewise.ai/threats/cve-2026-20316-cisco-secure-firewall-management-center-static-credentials-in-web) (critical, exploited in the wild, CVSS 5.3, published 29 Jul 2026)
- [CVE-2026-20200: Cisco IMC argument injection in web management interface](https://junglewise.ai/threats/cve-2026-20200-cisco-imc-argument-injection-in-web-management-interface) (high, CVSS 8.8, published 5 Aug 2026)
- [CVE-2026-20058: Cisco Snort 3 VBA decompression denial of service](https://junglewise.ai/threats/cve-2026-20058-cisco-snort-3-vba-decompression-denial-of-service) (medium, CVSS 5.8, published 4 Mar 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Cisco technologies

- [Cisco IOS](https://junglewise.ai/threats/technologies/ios): 70 vulnerabilities
- [Cisco Identity Services Engine](https://junglewise.ai/threats/technologies/identity-services-engine): 58 vulnerabilities
- [Cisco IOS XE](https://junglewise.ai/threats/technologies/ios-xe): 57 vulnerabilities
- [Cisco Firepower Threat Defense](https://junglewise.ai/threats/technologies/firepower-threat-defense): 33 vulnerabilities
- [Cisco Firepower Threat Defense Software](https://junglewise.ai/threats/technologies/firepower-threat-defense-software): 33 vulnerabilities
- [Cisco IOS XR](https://junglewise.ai/threats/technologies/ios-xr): 31 vulnerabilities
- [Cisco IOS XE Software](https://junglewise.ai/threats/technologies/ios-xe-software): 28 vulnerabilities
- [Cisco Adaptive Security Appliance Software](https://junglewise.ai/threats/technologies/secure-firewall-asa-software): 23 vulnerabilities
- [Cisco Snort 3](https://junglewise.ai/threats/technologies/snort-3): 20 vulnerabilities
- [Cisco Ios Software](https://junglewise.ai/threats/technologies/ios-software): 19 vulnerabilities
- [Cisco ISE Passive Identity Connector](https://junglewise.ai/threats/technologies/ise-passive-identity-connector): 19 vulnerabilities
- [Cisco Secure Firewall Management Center](https://junglewise.ai/threats/technologies/secure-firewall-management-center): 16 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Cisco Secure Firewall Management Center (FMC) vulnerabilities", https://junglewise.ai/threats/technologies/secure-firewall-management-center-fmc, 11 November 2026.