← Back to CVE List
CVE-2026-20343NVD
Vulnerability Summary
A vulnerability in a critical API for Cisco Secure FMC Software could allow an unauthenticated, remote attacker to download sensitive files and use unbounded disk space.
This vulnerability exists because a critical API lacks authentication. An attacker could exploit this vulnerability by repeatedly invoking the API. A successful exploit could allow the attacker to download sensitive files that should be restricted and consume disk space so the device could become unresponsive, causing a DoS condition.
This vulnerability exists because a critical API lacks authentication. An attacker could exploit this vulnerability by repeatedly invoking the API. A successful exploit could allow the attacker to download sensitive files that should be restricted and consume disk space so the device could become unresponsive, causing a DoS condition.
CVSS v3.1 Base Metrics — Score 7.5 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Affected & Patched Versions
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.3.0
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.3.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.3.1.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.0
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.1.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.3.1.2
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.6.0
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.2
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.2.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.7.0
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.2.2
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.6.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.2.3
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.6.2
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.7.10
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.6.2.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.7.10.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.2.4
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.3
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.6.3
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.7.11
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.6.4
- Cisco Cisco Secure Firewall Management Center (FMC) >= 10.0.0
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.4
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.5
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.7.12
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.6.5
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.6
- Cisco Cisco Secure Firewall Management Center (FMC) >= 10.0.1
- Cisco Cisco Secure Firewall Management Center (FMC) >= 7.4.7
Not provided by cveorg for this CVE.