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CVE-2021-34763

MEDIUMCVSS 4.8/10EPSS 0.46%

Last modified

CVE-2021-34763 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.46%

36.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoFirepower Management Center Virtual Appliance6.1.0
CiscoFirepower Management Center Virtual Appliance6.2.0
CiscoFirepower Management Center Virtual Appliance6.2.3
CiscoFirepower Management Center Virtual Appliance6.3.0
CiscoFirepower Management Center Virtual Appliance6.4.0
CiscoFirepower Management Center Virtual Appliance6.5.0
CiscoFirepower Management Center Virtual Appliance6.6.0
CiscoFirepower Management Center Virtual Appliance6.6.1
CiscoFirepower Management Center Virtual Appliance6.7.0
CiscoFirepower Management Center Virtual Appliance7.0.0
CiscoFirepower Management Center Virtual Appliance7.1.0
CiscoFirepower Threat Defense< 6.4.0.13
CiscoFirepower Threat Defense>= 6.5.0, < 6.6.5
CiscoFirepower Threat Defense>= 6.7.0, < 6.7.0.3
CiscoSourcefire Defense Center6.1.0
CiscoSourcefire Defense Center6.2.0
CiscoSourcefire Defense Center6.2.3
CiscoSourcefire Defense Center6.3.0
CiscoSourcefire Defense Center6.4.0
CiscoSourcefire Defense Center6.5.0
CiscoSourcefire Defense Center6.6.0
CiscoSourcefire Defense Center6.6.1
CiscoSourcefire Defense Center6.7.0
CiscoSourcefire Defense Center7.0.0
CiscoSourcefire Defense Center7.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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) attack or an open redirect attack. For more information about these vulnerabilities, see the Details section of this advisory.
How severe is CVE-2021-34763?
CVE-2021-34763 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.
How do I fix CVE-2021-34763?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34763?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST