Cloud Foundry Diego/CF Deployment certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cloud Foundry Diego and CF Deployment. It has been classified as critical. The affected element is an unknown function. The manipulation leads to certificate validation. This vulnerability is uniquely identified as CVE-2022-31733. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cloud Foundry Diego and CF Deployment (Cloud Software) (unknown version) and classified as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Starting with diego-release 2.55.0 and up to 2.69.0, and starting with CF Deployment 17.1 and up to 23.2.0, apps are accessible via another port on diego cells, allowing application ingress without a client certificate. If mTLS route integrity is enabled AND unproxied ports are turned off, then an attacker could connect to an application that should be only reachable via mTLS, without presenting a client certificate.

The weakness was disclosed 02/03/2023. It is possible to read the advisory at cloudfoundry.org. The identification of this vulnerability is CVE-2022-31733 since 05/25/2022. 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 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/25/2022 🔍
02/03/2023 +254 days 🔍
02/03/2023 +0 days 🔍
03/25/2025 +781 days 🔍

Sourcesinfo

Advisory: cloudfoundry.org
Status: Confirmed

CVE: CVE-2022-31733 (🔍)
GCVE (CVE): GCVE-0-2022-31733
GCVE (VulDB): GCVE-100-220127

Entryinfo

Created: 02/03/2023 20:51
Updated: 03/25/2025 21:23
Changes: 02/03/2023 20:51 (38), 03/25/2025 21:23 (26)
Complete: 🔍
Cache ID: 216::103

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