Kubernetes Pod Traffic incomplete blacklist

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Kubernetes. Affected by this vulnerability is an unknown functionality of the component Pod Traffic Handler. The manipulation results in incomplete blacklist. This vulnerability was named CVE-2021-25737. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Kubernetes (Virtualization Software) (version unknown). Affected is an unknown function of the component Pod Traffic Handler. The manipulation with an unknown input leads to a incomplete blacklist vulnerability. CWE is classifying the issue as CWE-184. The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses. This is going to have an impact on confidentiality.

The weakness was presented 09/06/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-25737. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1562.006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.7
VulDB Meta Temp Score: 2.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.7
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: Incomplete blacklist
CWE: CWE-184 / CWE-183 / CWE-20
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: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2021 🔍
09/06/2021 +227 days 🔍
09/06/2021 +0 days 🔍
09/09/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-25737 (🔍)
GCVE (CVE): GCVE-0-2021-25737
GCVE (VulDB): GCVE-100-182028

Entryinfo

Created: 09/06/2021 16:47
Updated: 09/09/2021 18:59
Changes: 09/06/2021 16:47 (50), 09/09/2021 18:53 (2), 09/09/2021 18:59 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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