CVE-2021-42757
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.5%
exploitation probability
0.5%top 60% of all CVEs
observed exploitation
nono source reports it
A buffer overflow [CWE-121] in the TFTP client library of FortiOS before 6.4.7 and FortiOS 7.0.0 through 7.0.2, may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
Affected products
Fortinet · FortiADCFortinet · FortiAnalyzerFortinet · FortiDDoSFortinet · FortiDDoS-FFortinet · FortiMailFortinet · FortiManagerFortinet · FortiNDRFortinet · FortiOSFortinet · FortiPortalFortinet · FortiProxyFortinet · FortiRecorderFortinet · FortiSwitchFortinet · FortiVoiceFortinet · FortiWeb