CVE-2021-34763: cisco cisco firepower management center Open Redirect
CVSS: 4.8v3.1MediumModified
Published 27-10-2021Last modified 07-11-2024
Vulnerability summary
CVE-2021-34763 is a medium (CVSS 4.8) Open Redirect vulnerability in cisco cisco firepower management center. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40.1% of scored vulnerabilities.
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.48%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-10-2021PublishedVulnerability first disclosed.
- 07-11-2024Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versionsMedium 4.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
0.00 pp
From 0.48% on 19-09-2026
19-09-202619-10-2026
EPSS score0.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-601URL Redirection to Untrusted Site ('Open Redirect')The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected systems
Cisco4 products
- cisco firepower management centern/a
- firepower_management_center_virtual_appliance_firmware6.1.0 | 6.2.0 | 6.2.3 | 6.3.0 | 6.4.0 | 6.5.0 | 6.6.0 | 6.6.1 | 6.7.0 | 7.0.0 | 7.1.0
- secure_firewall_threat_defense< 6.4.0.13 | ≥ 6.5.0, < 6.6.5 | ≥ 6.7.0, < 6.7.0.3
- sourcefire_defense_center6.1.0 | 6.2.0 | 6.2.3 | 6.3.0 | 6.4.0 | 6.5.0 | 6.6.0 | 6.6.1 | 6.7.0 | 7.0.0 | 7.1.0
1 vendor · 4 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-openredir-TVPMWJygVendor AdvisoryX Refsource CISCO