VYPR
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Medium severity4.3NVD Advisory· Published Feb 16, 2023· Updated Jun 17, 2026

CVE-2021-43074

CVE-2021-43074

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

8
  • Fortinet/Fortiwebllm-fuzzy2 versions
    all versions+ 1 more
    • (no CPE)range: all versions
    • (no CPE)range: 6.4.0
  • Fortinet/Fortiproxyllm-fuzzy2 versions
    7.0.1 and below, 2.0.7 and below, 1.2 all versions, 1.1 all versions, 1.0 all versions+ 1 more
    • (no CPE)range: 7.0.1 and below, 2.0.7 and below, 1.2 all versions, 1.1 all versions, 1.0 all versions
    • (no CPE)range: 7.0.0
  • Fortinet/Fortiosllm-fuzzy2 versions
    7.0.3 and below, 6.4.8 and below, 6.2 all versions, 6.0 all versions+ 1 more
    • (no CPE)range: 7.0.3 and below, 6.4.8 and below, 6.2 all versions, 6.0 all versions
    • (no CPE)range: 7.0.0
  • Fortinet/FortiSwitch GUIllm-fuzzy2 versions
    7.0.3 and below, 6.4.10 and below, 6.2 all versions, 6.0 all versions+ 1 more
    • (no CPE)range: 7.0.3 and below, 6.4.10 and below, 6.2 all versions, 6.0 all versions
    • (no CPE)range: 7.0.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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