CVE-2022-26122 is an insufficient data authenticity verification vulnerability (CWE-345) affecting FortiClient, FortiMail, and FortiOS AV engines, allowing attackers to bypass the antivirus engine by manipulating MIME attachments with junk and pad characters in base64 encoding. This vulnerability carries a high CVSS score of 8.6 (AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N), indicating it can be exploited remotely with low attack complexity, leading to high integrity impact without user interaction. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.4.23CPE matchmatch criteria | cpe:2.3:a:fortinet:antivirus_engine:0.4.23:*:*:*:*:*:*:* | ||
2.0.49CPE matchmatch criteria | cpe:2.3:a:fortinet:antivirus_engine:2.0.49:*:*:*:*:*:*:* | ||
2.0.60CPE matchmatch criteria | cpe:2.3:a:fortinet:antivirus_engine:2.0.60:*:*:*:*:*:*:* | ||
4.4.54CPE matchmatch criteria | cpe:2.3:a:fortinet:antivirus_engine:4.4.54:*:*:*:*:*:*:* | ||
6.33CPE matchmatch criteria | cpe:2.3:a:fortinet:antivirus_engine:6.33:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.