6.7

CVE-2024-27779: fortinet fortiisolator Insufficient Session Expiration

CVSS: 6.7v3.1MediumAnalyzed
Published 18-07-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2024-27779 is a medium (CVSS 6.7) Insufficient Session Expiration vulnerability in fortinet fortiisolator. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.9% 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
0.56%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-07-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

An insufficient session expiration vulnerability [CWE-613] in FortiSandbox FortiSandbox version 4.4.4 and below, version 4.2.6 and below, 4.0 all versions, 3.2 all versions and FortiIsolator version 2.4 and below, 2.3 all versions, 2.2 all versions, 2.1 all versions, 2.0 all versions, 1.2 all versions may allow a remote attacker in possession of an admin session cookie to keep using that admin's session even after the admin user was deleted.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

+0.09 pp

From 0.47% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.56%

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

Fortinet2 products
  • fortiisolator≥ 2.4.0, ≤ 2.4.4 | ≥ 2.3.0, ≤ 2.3.4 | 2.2.0 | ≥ 2.1.0, ≤ 2.1.2 | ≥ 2.0.0, ≤ 2.0.1 | ≥ 1.2.0, ≤ 1.2.2 | ≥ 1.2.0, < 2.4.5
  • fortisandbox≥ 4.4.0, ≤ 4.4.4 | ≥ 4.2.1, ≤ 4.2.6 | ≥ 4.0.0, ≤ 4.0.6 | ≥ 3.2.0, ≤ 3.2.4 | ≥ 3.2.0, < 4.2.7 | ≥ 4.4.0, < 4.4.5

1 vendor · 2 products

References

1 links