CyberSecBulletin
CVE-2023-33303NVD status: Modified

A insufficient session expiration in Fortinet FortiEDR version 5.0.0 through 5.0.1 allows…

CVE-2023-33303 is a high-severity vulnerability in FortiEDR from Fortinet, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected FortiEDR versions: 5.0.0 through 5.0.1. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.52% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of FortiEDR you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on fortiguard.com for workarounds and exact fixed builds.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
FortinetFortiEDR5.0.0 through 5.0.1Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
HighSuccess depends on conditions outside the attacker's control.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.1HighCNA (fortinet.com)
CVSS 3.18.1HighNVD

Official description

A insufficient session expiration in Fortinet FortiEDR version 5.0.0 through 5.0.1 allows attacker to execute unauthorized code or commands via api request

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Advisories

Other vulnerabilities in FortiEDR

All FortiEDR vulnerabilities

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