CVE Tools
Sign in

CVE-2021-22986

Published: Mar 31, 2021Updated: Oct 27, 2025 Sources: CVE List NVD BDUCWE-918
9.8CRITICAL
NVD MITRE
EPSS Score
99.9%
Top 0.0%
CISA KEV
Active Exploitation
Since Nov 3, 2021
Exploits
3 Known
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

Description

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3 amd BIG-IQ 7.1.0.x before 7.1.0.3 and 7.0.0.x before 7.0.0.2, the iControl REST interface has an unauthenticated remote command execution vulnerability. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-918

Affected Products

f5
commercial·US
big-ip access policy managerOn-premNetwork Device
Networking Infrastructure / firewall
big-ip advanced firewall managerOn-premSecurity Product
Networking Infrastructure / firewall
big-ip advanced web application firewallOn-premSecurity Product
Networking Infrastructure / firewall
big-ip analyticsOn-premNetwork Device
Networking Infrastructure / network-management
big-ip application acceleration managerOn-premNetwork Device
Networking Infrastructure / load-balancer-proxy
big-ip application security managerOn-premNetwork Device
Networking Infrastructure / firewall
big-ip ddos hybrid defenderOn-premNetwork Device
Networking Infrastructure / firewall
big-ip domain name systemOn-prem
Networking Infrastructure / dns-dhcp-ntp
F5 Networks, Inc.
commercial·USaka f5
BIG-IP Application Acceleration ManagerOn-premNetwork Device
Networking Infrastructure / load-balancer-proxy
BIG-IP Advanced Web Application FirewallOn-premNetwork Device
Networking Infrastructure / firewall
BIG-IP Advanced Firewall ManagerOn-premSecurity Product
Security Products
BIG-IP AnalyticsOn-premNetwork Device
Networking Infrastructure / network-management
BIG-IP Access Policy ManagerOn-premNetwork Device
Networking Infrastructure / firewall
BIG-IP Application Security ManagerOn-premNetwork Device
Networking Infrastructure / firewall
BIG-IP DDos Hybrid DefenderOn-premNetwork Device
Networking Infrastructure / firewall
BIG-IP DNSOn-premNetwork Device
Networking Infrastructure / dns-dhcp-ntp
and 14 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 3, 2021
Remediation due:Nov 17, 2021
Ransomware:Known ransomware use

Required action: Apply updates per vendor instructions.

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2021-22986?We'll check your whole external perimeter for exposure — free. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Command and Control
Initial Access
View detailed technique mapping

References

https://support.f5.com/csp/article/K03009991
support.f5.com
http://packetstormsecurity.com/files/162059/F5-iControl-Server-Side-Request-Forgery-Remote-Command-Execution.html
packetstormsecurity.com
http://packetstormsecurity.com/files/162066/F5-BIG-IP-16.0.x-Remote-Code-Execution.html
packetstormsecurity.com
and 5 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-22986 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows