Nginx Controller up to 3.3.x Intra-Cluster Communication cleartext transmission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Nginx Controller up to 3.3.x. It has been classified as problematic. Affected by this issue is some unknown functionality of the component Intra-Cluster Communication Handler. The manipulation leads to cleartext transmission. This vulnerability is documented as CVE-2021-23018. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Nginx Controller up to 3.3.x (Web Server). It has been rated as problematic. This issue affects an unknown code block of the component Intra-Cluster Communication Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. Using CWE to declare the problem leads to CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Impacted is confidentiality.

The weakness was released 06/01/2021 as K97002210. It is possible to read the advisory at support.f5.com. The identification of this vulnerability is CVE-2021-23018. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

Upgrading to version 3.4.0 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
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: Cleartext transmission
CWE: CWE-319 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Controller 3.4.0

Timelineinfo

01/06/2021 🔍
06/01/2021 +145 days 🔍
06/01/2021 +0 days 🔍
06/03/2021 +2 days 🔍

Sourcesinfo

Advisory: K97002210
Status: Confirmed

CVE: CVE-2021-23018 (🔍)
GCVE (CVE): GCVE-0-2021-23018
GCVE (VulDB): GCVE-100-176111

Entryinfo

Created: 06/01/2021 17:20
Updated: 06/03/2021 15:22
Changes: 06/01/2021 17:20 (35), 06/01/2021 17:24 (2), 06/01/2021 17:25 (3), 06/03/2021 15:22 (2)
Complete: 🔍
Cache ID: 216::103

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