What’s Vulnerable › Vulnerabilities

CVE-2020-3307: Cisco Firepower Management Center Arbitrary Log File Write Vulnerability

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-06 · updated 2026-06-17
• Weakness: CWE-20

Description

A vulnerability in the web UI of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to write arbitrary entries to the log file on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to send incorrect information to the system log on the affected system.

Affected products

• Cisco Firepower Management Center: 6.2.2, 6.2.3, 6.3.0, 6.4.0, 6.5.0

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-alfo-tHwFDmTE
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-alfo-tHwFDmTE

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