Medium severity5.3NVD Advisory· Published May 6, 2020· Updated Jun 17, 2026

CVE-2020-3307

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.

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Affected products

Cisco Systems, Inc./Firepower Management Center (FMC) Softwarellm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: n/a

Patches

Vulnerability mechanics

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-alfo-tHwFDmTEnvdVendor Advisory

News mentions

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cvss	0.345
epss	0.001
exploit	0.000
kev	0.000
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ransomware	0.000