VDB-135307 · CVE-2019-11634 · Qualys 371812

Citrix Workspace App prior 1904 on Windows Access Control access control

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Citrix Workspace App on Windows. The impacted element is an unknown function of the component Access Control. This manipulation causes access control. This vulnerability is tracked as CVE-2019-11634. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Citrix Workspace App on Windows (Connectivity Software). Affected by this vulnerability is an unknown code of the component Access Control. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Citrix Workspace App before 1904 for Windows has Incorrect Access Control.

The weakness was disclosed 05/22/2019 (Website). It is possible to read the advisory at support.citrix.com. This vulnerability is known as CVE-2019-11634 since 05/01/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as attacked. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371812 (Citrix Workspace and Receiver Remote Code Execution Vulnerability (CTX251986)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/03/2021 with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading to version 1904 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality 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: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Workspace App 1904

Timelineinfo

05/01/2019 🔍
05/22/2019 +21 days 🔍
05/22/2019 +0 days 🔍
02/07/2025 +2088 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: support.citrix.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-11634 (🔍)
GCVE (CVE): GCVE-0-2019-11634
GCVE (VulDB): GCVE-100-135307
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/22/2019 21:46
Updated: 02/07/2025 15:38
Changes: 05/22/2019 21:46 (59), 06/14/2020 09:55 (1), 04/20/2024 16:10 (28), 09/09/2024 22:29 (1), 02/07/2025 15:38 (3)
Complete: 🔍
Cache ID: 216::103

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