F5 BIG-IP SNAT resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in F5 BIG-IP. Affected is an unknown function of the component SNAT. The manipulation results in resource consumption. This vulnerability is reported as CVE-2021-22998. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in F5 BIG-IP (Firewall Software) (version unknown). Affected is an unknown function of the component SNAT. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The weakness was disclosed 03/10/2021 as K02566623. The advisory is shared for download at support.f5.com. This vulnerability is traded as CVE-2021-22998. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

A possible mitigation has been published immediately after the disclosure of the vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/06/2021 🔍
03/10/2021 +63 days 🔍
03/10/2021 +0 days 🔍
03/12/2021 +2 days 🔍
03/31/2021 +19 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K02566623
Status: Confirmed

CVE: CVE-2021-22998 (🔍)
GCVE (CVE): GCVE-0-2021-22998
GCVE (VulDB): GCVE-100-171192

Entryinfo

Created: 03/12/2021 08:36
Updated: 03/31/2021 22:56
Changes: 03/12/2021 08:36 (37), 03/31/2021 22:56 (4)
Complete: 🔍
Cache ID: 216::103

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