In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Man
In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management Microkernel (TMM) may stop responding when processing Stream Control Transmission Protocol (SCTP) traffic when traffic volume is high. This vulnerability affects TMM by way of a virtual server configured with an SCTP profile.
- Published
- Aug 26, 2020
- Updated
- Jun 16, 2026
- EPSS
- 1.0% · 63th percentile
- CWE
- —
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Report tools
Action score
30
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.0%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| f5 | big-ip access policy manager | cpe:2.3:a:f5:big-ip_access_policy_manager |
| f5 | big-ip advanced firewall manager | cpe:2.3:a:f5:big-ip_advanced_firewall_manager |
| f5 | big-ip analytics | cpe:2.3:a:f5:big-ip_analytics |
| f5 | big-ip application acceleration manager | cpe:2.3:a:f5:big-ip_application_acceleration_manager |
| f5 | big-ip application security manager | cpe:2.3:a:f5:big-ip_application_security_manager |
| f5 | big-ip domain name system | cpe:2.3:a:f5:big-ip_domain_name_system |
| f5 | big-ip fraud protection service | cpe:2.3:a:f5:big-ip_fraud_protection_service |
| f5 | big-ip global traffic manager | cpe:2.3:a:f5:big-ip_global_traffic_manager |
| f5 | big-ip link controller | cpe:2.3:a:f5:big-ip_link_controller |
| f5 | big-ip local traffic manager | cpe:2.3:a:f5:big-ip_local_traffic_manager |
| f5 | big-ip policy enforcement manager | cpe:2.3:a:f5:big-ip_policy_enforcement_manager |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- f5 big-ip access policy manager11.6.1 and later · before 11.6.5.2
- f5 big-ip access policy manager12.1.0 and later · before 12.1.5.2
- f5 big-ip access policy manager13.1.0 and later · before 13.1.3.4
- f5 big-ip access policy manager14.1.0 and later · before 14.1.2.5
- f5 big-ip access policy manager15.0.0 and later · before 15.0.1.4
- f5 big-ip access policy manager15.1.0 and later · before 15.1.0.5
- f5 big-ip advanced firewall manager11.6.1 and later · before 11.6.5.2
- f5 big-ip advanced firewall manager12.1.0 and later · before 12.1.5.2
- f5 big-ip advanced firewall manager13.1.0 and later · before 13.1.3.4
- f5 big-ip advanced firewall manager14.1.0 and later · before 14.1.2.5
- f5 big-ip advanced firewall manager15.0.0 and later · before 15.0.1.4
- f5 big-ip advanced firewall manager15.1.0 and later · before 15.1.0.5
- f5 big-ip analytics11.6.1 and later · before 11.6.5.2
- f5 big-ip analytics12.1.0 and later · before 12.1.5.2
- f5 big-ip analytics13.1.0 and later · before 13.1.3.4
- f5 big-ip analytics14.1.0 and later · before 14.1.2.5
- f5 big-ip analytics15.0.0 and later · before 15.0.1.4
- f5 big-ip analytics15.1.0 and later · before 15.1.0.5
- f5 big-ip application acceleration manager11.6.1 and later · before 11.6.5.2
- f5 big-ip application acceleration manager12.1.0 and later · before 12.1.5.2
Versions reported by the vendor
Affected version ranges reported by the assigning authority (f5). Independent of NVD's CPE analysis and usually ahead of it.
n/a BIG-IP
- 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, 11.6.1-11.6.5.1affected
Same product
f5: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-1388On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior KEV99Now
- CVE-2021-22986On 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 KEV99Now
- CVE-2020-5902In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management User InteKEV99Now
- CVE-2023-46747BIG-IP Configuration utility unauthenticated remote code execution vulnerabilityKEV98Now
- CVE-2021-22991On 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,KEV87Now
- CVE-2026-94127BIG-IP APM OAuth vulnerabilityKEV68This week
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.