4.3

CVE-2021-43074: fortinet fortios

CVSS: 4.3v3.1MediumModified
Published 16-02-2023Last modified 22-10-2024
Open JSON

Vulnerability summary

CVE-2021-43074 is a medium (CVSS 4.3) vulnerability in fortinet fortios. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.9% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-02-2023
    PublishedVulnerability first disclosed.
  2. 22-10-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet4 products
  • fortios≥ 7.0.0, ≤ 7.0.3 | ≥ 6.4.0, ≤ 6.4.8 | ≥ 6.2.0, ≤ 6.2.12 | ≥ 6.0.0, ≤ 6.0.16 | ≥ 6.0.0, < 6.4.9 | ≥ 7.0.0, < 7.0.4
  • fortiproxy≥ 7.0.0, ≤ 7.0.1 | ≥ 2.0.0, ≤ 2.0.7 | ≥ 1.2.0, ≤ 1.2.13 | ≥ 1.1.0, ≤ 1.1.6 | ≥ 1.0.0, ≤ 1.0.7 | ≥ 1.0.0, < 2.0.8 | ≥ 7.0.0, < 7.0.2
  • fortiswitch≥ 7.0.0, ≤ 7.0.3 | ≥ 6.4.0, ≤ 6.4.10 | ≥ 6.2.0, ≤ 6.2.7 | ≥ 6.0.0, ≤ 6.0.7 | ≥ 6.0.0, < 6.4.11 | ≥ 7.0.0, < 7.0.4
  • fortiweb≥ 6.4.0, ≤ 6.4.2 | ≥ 6.3.0, ≤ 6.3.16 | ≥ 6.2.0, ≤ 6.2.7 | ≥ 6.1.0, ≤ 6.1.3 | ≥ 6.0.0, ≤ 6.0.8 | ≥ 6.0.0, < 6.3.17 | ≥ 6.4.0, < 7.0.0

1 vendor · 4 products

References

1 links