Vulnerability · Published Feb 16, 2023 · Assigned by fortinet
CVE-2021-43074
Medium 4.1
In plain English
A medium-severity security flaw in FortiOS from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Official description
An improper verification of cryptographic signature vulnerability [CWE-347] in FortiWeb 6.4 all versions, 6.3.16 and below, 6.2 all versions, 6.1 all versions, 6.0 all versions; FortiOS 7.0.3 and below, 6.4.8 and below, 6.2 all versions, 6.0 all versions; FortiSwitch 7.0.3 and below, 6.4.10 and below, 6.2 all versions, 6.0 all versions; FortiProxy 7.0.1 and below, 2.0.7 and below, 1.2 all versions, 1.1 all versions, 1.0 all versions may allow an attacker to decrypt portions of the administrative session management cookie if able to intercept the latter.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | FortiSwitch | 7.0.0 – through 7.0.36.4.0 – through 6.4.106.2.0 – through 6.2.76.0.0 – through 6.0.7 |
| Fortinet | FortiWeb | 6.4.0 – through 6.4.26.3.0 – through 6.3.166.2.0 – through 6.2.76.1.0 – through 6.1.36.0.0 – through 6.0.8 |
| Fortinet | FortiProxy | 7.0.0 – through 7.0.12.0.0 – through 2.0.71.2.0 – through 1.2.131.1.0 – through 1.1.61.0.0 – through 1.0.7 |
| Fortinet | FortiOS | 7.0.0 – through 7.0.36.4.0 – through 6.4.86.2.0 – through 6.2.126.0.0 – through 6.0.16 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C