THREATPORT/VULNERABILITY/CVE-2021-24019
HIGH SEVERITY

CVE-2021-24019

Forticlient Endpoint Management Server vulnerability

CVSS
8.1
EPSS
3.8%
EPSS pct
89th
Exploited
No known
An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 and below may allow an attacker to reuse the unexpired admin user session IDs to gain admin privileges, should the attacker be able to obtain that session ID (via other, hypothetical attacks)
Affected vendor
Fortinet
Affected product
Forticlient Endpoint Management Server
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-613 — Insufficient Session Expiration
Published
2021-10-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2021-24019

  • Confirm whether Fortinet Forticlient Endpoint Management Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-24019.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-24019

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-24019 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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