6.7

CVE-2021-43072: fortinet fortianalyzer Classic Buffer Overflow

CVSS: 6.7v3.1MediumModified
Published 18-07-2023Last modified 17-09-2024

Vulnerability summary

CVE-2021-43072 is a medium (CVSS 6.7) Classic Buffer Overflow vulnerability in fortinet fortianalyzer. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.7/10
010
Medium · v3.1 (NVD)
EPSS score
0.18%
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. 18-07-2023
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiAnalyzer version 7.0.2 and below, version 6.4.7 and below, version 6.2.9 and below, version 6.0.11 and below, version 5.6.11 and below, FortiManager version 7.0.2 and below, version 6.4.7 and below, version 6.2.9 and below, version 6.0.11 and below, version 5.6.11 and below, FortiOS version 7.0.0 through 7.0.4, 6.4.0 through 6.4.8, 6.2.0 through 6.2.10, 6.0.x and FortiProxy version 7.0.0 through 7.0.3, 2.0.0 through 2.0.8, 1.2.x, 1.1.x and 1.0.x allows attacker to execute unauthorized code or commands via crafted CLI `execute restore image` and `execute certificate remote` operations with the tFTP protocol.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.18%

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
  • fortianalyzer≥ 7.0.0, ≤ 7.0.2 | ≥ 6.4.0, ≤ 6.4.7 | ≥ 6.2.0, ≤ 6.2.12 | ≥ 6.0.0, ≤ 6.0.12 | ≥ 5.6.0, ≤ 5.6.11 | ≥ 5.6.0, < 6.4.8 | ≥ 7.0.0, < 7.0.3
  • fortimanager≥ 7.0.0, ≤ 7.0.2 | ≥ 6.4.0, ≤ 6.4.7 | ≥ 6.2.0, ≤ 6.2.12 | ≥ 6.0.0, ≤ 6.0.12 | ≥ 5.6.0, ≤ 5.6.11 | ≥ 5.6.0, < 6.4.8 | ≥ 7.0.0, < 7.0.3
  • fortios≥ 6.0.0, < 6.2.11 | ≥ 6.4.0, < 6.4.9 | ≥ 7.0.0, < 7.0.6
  • fortiproxy≥ 1.0.0, < 2.0.9 | ≥ 7.0.0, < 7.0.4

1 vendor · 4 products

References

2 links