Medium severity · published Oct 27, 2021
CVE-2021-34763
Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an attacker to execute a cross-site scripting (XSS)…
4.8
CVSS
0.5%
EPSS
No
On KEV
Description
Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an attacker to execute a cross-site scripting (XSS) attack or an open redirect attack. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FM
Firepower Management Center Virtual Appliance · Cisco
6.1.0; 6.2.0; 6.2.3; 6.3.0; 6.4.0; 6.5.0; +5 more · source: NVD
SF
Secure Firewall Threat Defense · Cisco
before 6.4.0.13; 6.5.0 before 6.6.5; 6.7.0 before 6.7.0.3 · source: NVD
SD
Sourcefire Defense Center · Cisco
6.1.0; 6.2.0; 6.2.3; 6.3.0; 6.4.0; 6.5.0; +5 more · source: NVD
Affected product
FM
Firepower Management Center Virtual Appliance
Cisco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34763
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34763
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-openredir-TVPMWJyg
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