F5 BIG-IP up to 15.1.3 Traffic Management Microkernel denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 0.00 |
Summary
A vulnerability was found in F5 BIG-IP up to 15.1.3. It has been rated as problematic. This issue affects some unknown processing of the component Traffic Management Microkernel. The manipulation leads to denial of service. This vulnerability is traded as CVE-2021-23051. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.
Details
A vulnerability, which was classified as problematic, has been found in F5 BIG-IP up to 15.1.3 (Firewall Software). This issue affects an unknown function of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The weakness was shared 08/26/2021 as K01153535. It is possible to read the advisory at support.f5.com. The identification of this vulnerability is CVE-2021-23051. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
Upgrading to version 15.1.3.1 or 16.0.0 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: 5.9VulDB Meta Temp Score: 5.7
VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: BIG-IP 15.1.3.1/16.0.0
Timeline
01/06/2021 🔍08/26/2021 🔍
08/26/2021 🔍
09/01/2021 🔍
Sources
Vendor: f5.comAdvisory: K01153535
Status: Confirmed
CVE: CVE-2021-23051 (🔍)
GCVE (CVE): GCVE-0-2021-23051
GCVE (VulDB): GCVE-100-181559
Entry
Created: 08/26/2021 17:15Updated: 09/01/2021 08:22
Changes: 08/26/2021 17:15 (40), 09/01/2021 08:22 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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