9.8

CVE-2023-34992: fortinet fortisiem OS Command Injection

CVSS: 9.8v3.1CriticalModified
Published 10-10-2023Last modified 14-01-2026
Open JSON

Vulnerability summary

CVE-2023-34992 is a critical (CVSS 9.8) OS Command Injection vulnerability in fortinet fortisiem. EPSS estimates a 81.70% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
81.70%
0%100%
Critical · +1.64 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-10-2023
    PublishedVulnerability first disclosed.
  2. 14-01-2026
    Last modifiedVulnerability information updated.

Description

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet allows attacker to execute unauthorized code or commands via crafted API requests.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

81.70%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

+1.64 pp

From 80.06% on 21-09-2026

21-09-202621-10-2026
EPSS score
81.70%

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

Fortinet1 product
  • fortisiem≥ 6.5.0, ≤ 6.5.1 | ≥ 6.4.0, ≤ 6.4.2 | ≥ 6.6.0, ≤ 6.6.3 | ≥ 6.7.0, ≤ 6.7.5 | 6.4.0 | 6.4.1 | 6.4.2 | 6.5.0 | 6.5.1 | 7.0.0

1 vendor · 1 product

References

1 links