CVE-2021-22130

MEDIUM
4.9
CVSS Score
Published: June 3, 2021 at 10:27 AM UTC
Updated: June 17, 2026 at 03:36 AM UTC
1 product affected across 1 vendorFortiProxy

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Severity
MEDIUM4.9
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

A stack-based buffer overflow vulnerability in FortiProxy physical appliance CLI 2.0.0 to 2.0.1, 1.2.0 to 1.2.9, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 may allow an authenticated, remote attacker to perform a Denial of Service attack by running the `diagnose sys cpuset` with a large cpuset mask value. Fortinet is not aware of any successful exploitation of this vulnerability that would lead to code execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.0.71.0.0 ≤ v ≤ 1.0.71.1.0 ≤ v ≤ 1.1.61.2.0 ≤ v < 1.2.102.0.0 ≤ v < 2.0.2
Affected range stops below 1.2.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMVendor Advisory
https://fortiguard.com/advisory/FG-IR-21-006

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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