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The vulnerability in the web interface of the Cisco Secure Firewall Management Center (formerly known as Cisco Firepower Management Center) allows a perpetrator to execute arbitrary code with root privileges.

🗓️ 06 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 9 Views

Deserialization flaw in Cisco Secure Firewall Management Center enables root code execution.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit		Exploit for CVE-2026-20131
6 Mar 202606:18
–githubexploit
githubexploit
GithubExploit		Exploit for Deserialization of Untrusted Data in Cisco Secure_Firewall_Management_Center
10 May 202614:02
–githubexploit
githubexploit
GithubExploit		Exploit for CVE-2026-20131
11 Mar 202601:30
–githubexploit
githubexploit
GithubExploit		Exploit for CVE-2026-20131
6 Mar 202607:06
–githubexploit
attackerkb
ATTACKERKB		CVE-2026-20131
4 Mar 202617:17
–attackerkb
circl
Circl		CVE-2026-20131
4 Mar 202616:23
–circl
cisa_kev
CISA KEV Catalog		Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability
19 Mar 202600:00
–cisa_kev
cisa
CISA		 CISA Adds One Known Exploited Vulnerability to Catalog
19 Mar 202612:00
–cisa
cisco
Cisco		Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability
4 Mar 202616:00
–cisco
nessus
Tenable Nessus		Cisco Secure Firewall Management Center Software RCE (cisco-sa-fmc-rce-NKhnULJh)
18 Mar 202600:00
–nessus
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20 Mar 2026 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 210
CVSS 310
EPSS0.31231
deserialization flawCisco Secure Firewallmanagement centerweb interfaceroot code execution
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