Citrix ADC/Gateway SSL VPN Endpoint information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Citrix ADC and Gateway. This issue affects some unknown processing of the component SSL VPN Endpoint. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2019-18177. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Citrix ADC and Gateway (Connectivity Software) (affected version unknown). Affected by this vulnerability is an unknown functionality of the component SSL VPN Endpoint. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is a configured SSL VPN endpoint. This affects Citrix ADC and Citrix Gateway 13.0-58.30 and later releases before the CTX276688 update.

The weakness was disclosed 12/27/2022 as CTX276688. It is possible to read the advisory at support.citrix.com. This vulnerability is known as CVE-2019-18177 since 10/17/2019. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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

10/17/2019 🔍
12/27/2022 +1167 days 🔍
12/27/2022 +0 days 🔍
04/15/2025 +840 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: CTX276688
Status: Confirmed

CVE: CVE-2019-18177 (🔍)
GCVE (CVE): GCVE-0-2019-18177
GCVE (VulDB): GCVE-100-216847

Entryinfo

Created: 12/27/2022 08:55
Updated: 04/15/2025 04:23
Changes: 12/27/2022 08:55 (40), 01/24/2023 17:09 (11), 04/15/2025 04:23 (16)
Complete: 🔍
Cache ID: 216::103

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