CVE-2021-42757 is a buffer overflow vulnerability (CWE-121) in the TFTP client library of FortiOS versions before 6.4.7 and 7.0.0 through 7.0.2. This flaw allows an authenticated local attacker to achieve arbitrary code execution by providing specially crafted command-line arguments. The vulnerability has a CVSS score of 6.7 (Medium), indicating a local attack vector with low complexity, requiring high privileges, and leading to high impact on confidentiality, integrity, and availability. Its EPSS score is very low, suggesting a minimal likelihood of exploitation. Currently, there is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit or ExploitDB. The vulnerability has also received no community discussion or media coverage, suggesting low public awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0.0, <= 6.1.5CPE matchmatch criteria | cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:* | ||
>= 6.2.0, <= 6.2.2CPE matchmatch criteria | cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:* | ||
>= 6.0.0, <= 6.4.7CPE matchmatch criteria | cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:* | ||
>= 7.0.0, <= 7.0.2CPE matchmatch criteria | cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:* | ||
>= 5.4.0, <= 6.2.7CPE matchmatch criteria | cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.