Citrix ADC/Gateway VPN Gateway/AAA Virtual Server resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Citrix ADC and Gateway. The impacted element is an unknown function of the component VPN Gateway/AAA Virtual Server. The manipulation results in resource consumption. This vulnerability was named CVE-2021-22955. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Citrix ADC and Gateway (Connectivity Software) (affected version not known). It has been classified as problematic. Affected is some unknown functionality of the component VPN Gateway/AAA Virtual Server. 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 presented 11/10/2021 as CTX330728. The advisory is shared for download at support.citrix.com. This vulnerability is traded as CVE-2021-22955. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 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: 🔍

Timelineinfo

01/06/2021 🔍
11/10/2021 +308 days 🔍
11/10/2021 +0 days 🔍
11/12/2021 +2 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: CTX330728
Status: Confirmed

CVE: CVE-2021-22955 (🔍)
GCVE (CVE): GCVE-0-2021-22955
GCVE (VulDB): GCVE-100-186468

Entryinfo

Created: 11/10/2021 13:16
Updated: 11/12/2021 12:10
Changes: 11/10/2021 13:16 (38), 11/12/2021 12:10 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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