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CVE-2021-22982

HIGH
7.2
CVSS Score
Published: February 12, 2021 at 05:46 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
2 products affected across 1 vendorBig IP Global Traffic ManagerBig IP Domain Name System

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Severity
HIGH7.2
Exploit prediction
EPSS 1%

Description

On BIG-IP DNS and GTM version 13.1.x before 13.1.0.4, and all versions of 12.1.x and 11.6.x, big3d does not securely handle and parse certain payloads resulting in a buffer overflow. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Affected

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

Big IP Domain Name System· F5
95%
12.1.0 ≤ v ≤ 12.1.513.1 ≤ v < 13.1.0.413.1.0 ≤ v < 13.1.0.4
Affected range stops below 13.1.0.4, so it looks safe — our inference, not a vendor statement
Big IP Global Traffic Manager· F5
95%
11.6.1 ≤ v ≤ 11.6.513.1 ≤ v < 13.1.0.4
Affected range stops below 13.1.0.4, 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:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K72708443

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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