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Vulnerabilities of Cisco Cisco Secure Firewall Management Center (FMC)

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CVE Summary Score Published
CVE-2026-20342 A vulnerability in a specific file download API of Cisco Secure FMC Software could allow an authenticated, remote… 7.7 High Sep 16, 2026
CVE-2026-20323 A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD… 8.3 High Sep 16, 2026
CVE-2026-76412 A vulnerability in the remote diagnostics debugger of Cisco Secure FMC Software could allow an authenticated, remote… 8.5 High Sep 16, 2026
CVE-2026-20333 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security… 8.8 High Sep 16, 2026
CVE-2026-20334 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security… 8.4 High Sep 16, 2026
CVE-2026-20332 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security… 9.9 Critical Sep 16, 2026
CVE-2026-20344 A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated,… 8.8 High Sep 16, 2026
CVE-2026-20343 A vulnerability in a critical API for Cisco Secure FMC Software could allow an unauthenticated, remote attacker to… 7.5 High Sep 16, 2026
CVE-2026-76413 A vulnerability in Cisco Adaptive Security Device Manager (ASDM) single sign-on (SSO) handler for Cisco Secure FMC… 8.2 High Sep 16, 2026
CVE-2026-20336 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security… 8.8 High Sep 16, 2026
CVE-2026-20340 A vulnerability in Cisco Secure FMC Software could allow an authenticated, remote attacker to execute arbitrary commands… 8.8 High Sep 16, 2026
CVE-2026-20335 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security… 8.1 High Sep 16, 2026
CVE-2026-20295 A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD… 8.6 High Sep 16, 2026
CVE-2026-20341 A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software could allow an… 9.1 Critical Sep 16, 2026
CVE-2026-20242 A vulnerability in the External Database Access feature of Cisco Secure Firewall Management Center (FMC) Software… 9.8 Critical Sep 16, 2026
CVE-2026-20324 A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure Firewall Management Center (FMC)… 9.9 Critical Sep 16, 2026
CVE-2026-20330 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security… 9.9 Critical Sep 16, 2026
CVE-2026-20329 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security… 9.9 Critical Sep 16, 2026
CVE-2026-20331 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security… 9.6 Critical Sep 16, 2026
CVE-2026-76420 A vulnerability in the internal configuration of the Apache JServ Protocol (AJP) connector for Cisco Secure FMC… 9.0 Critical Sep 16, 2026
CVE-2026-20316 Exploited Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability 5.3 Medium Jul 29, 2026
CVE-2026-20018 A vulnerability in the sftunnel functionality of Cisco Secure Firewall Management Center (FMC) Software and Cisco Secure… 5.9 Medium Mar 4, 2026
CVE-2026-20003 A vulnerability in the REST API of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct… 4.9 Medium Mar 4, 2026
CVE-2026-20002 A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated,… 8.1 High Mar 4, 2026
CVE-2026-20131 Exploited Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability 10.0 Critical Mar 4, 2026

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