F5 BIG-IP up to 16.1.1 Traffic Management Microkernel null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in F5 BIG-IP up to 16.1.1. The impacted element is an unknown function of the component Traffic Management Microkernel. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2022-23021. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability was found in F5 BIG-IP up to 16.1.1 (Firewall Software). It has been classified as problematic. Affected is an unknown code block of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.
The weakness was released 01/26/2022 as K57111075. The advisory is shared for download at support.f5.com. This vulnerability is traded as CVE-2022-23021 since 01/10/2022. There are neither technical details nor an exploit publicly available.
Upgrading to version 16.1.2 eliminates this vulnerability.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://f5.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: BIG-IP 16.1.2
Timeline
01/10/2022 🔍01/26/2022 🔍
01/26/2022 🔍
01/28/2022 🔍
Sources
Vendor: f5.comAdvisory: K57111075
Status: Confirmed
CVE: CVE-2022-23021 (🔍)
GCVE (CVE): GCVE-0-2022-23021
GCVE (VulDB): GCVE-100-191616
Entry
Created: 01/26/2022 08:02Updated: 01/28/2022 15:49
Changes: 01/26/2022 08:02 (41), 01/28/2022 15:49 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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