Nginx Controller up to 3.1.x TLS certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability classified as problematic has been found in Nginx Controller up to 3.1.x (Web Server). This affects an unknown functionality of the component TLS Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality. The summary by CVE is:

In versions of NGINX Controller prior to 3.2.0, communication between NGINX Controller and NGINX Plus instances skip TLS verification by default.

The weakness was presented 04/23/2020 (Website). It is possible to read the advisory at support.f5.com. This vulnerability is uniquely identified as CVE-2020-5864 since 01/06/2020. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Upgrading to version 3.2.0 eliminates this vulnerability.

See 154326, 154325 and 154324 for similar entries.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
ATT&CK: T1587.003

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Controller 3.2.0

Timelineinfo

01/06/2020 🔍
04/23/2020 +108 days 🔍
04/24/2020 +1 days 🔍
10/12/2020 +171 days 🔍

Sourcesinfo

Advisory: support.f5.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-5864 (🔍)
See also: 🔍

Entryinfo

Created: 04/24/2020 07:46
Updated: 10/12/2020 15:57
Changes: 04/24/2020 07:46 (41), 04/24/2020 07:51 (18), 10/12/2020 15:57 (1)
Complete: 🔍

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