VulnerabilityModified
CVE-2021-42757
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.
MEDIUM 6.7EPSS 0.48%
Does this matter?
Lower severity and a low EPSS score (0.48%). Track it; it rarely justifies an emergency change on its own.
Description
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
- 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.48% probability · 40th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120, CWE-787
- Affected
- fortinet/fortiadc · fortinet/fortianalyzer · fortinet/fortimail · fortinet/fortimanager · fortinet/fortindr · fortinet/fortios-6k7k · fortinet/fortiportal · fortinet/fortiproxy · fortinet/fortivoice · fortinet/fortiweb · fortinet/fortios · fortinet/fortirecorder firmware · fortinet/fortiswitch
- Source
- psirt@fortinet.com
References
- https://fortiguard.com/advisory/FG-IR-21-173Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-173Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.