VDB-157845 · CVE-2020-8191 · GCVE-0-2020-8191

Citrix ADC/Gateway/SDWAN WAN-OP Reflected cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Citrix ADC, Gateway and SDWAN WAN-OP. The affected element is an unknown function. Performing a manipulation results in cross site scripting (Reflected). This vulnerability is known as CVE-2020-8191. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Citrix ADC, Gateway and SDWAN WAN-OP (Connectivity Software) (affected version not known). This affects some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Improper input validation in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows reflected Cross Site Scripting (XSS).

The weakness was published 07/10/2020 (Website). The advisory is shared at support.citrix.com. This vulnerability is uniquely identified as CVE-2020-8191 since 01/28/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading eliminates this vulnerability.

Similar entries are available at VDB-157843, VDB-157844, VDB-157846 and VDB-157847. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Connectivity Software

Vendor

Citrix

Name

License

commercial

Website

Vendor: https://www.citrix.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

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

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/28/2020 🔍
07/10/2020 +164 days 🔍
07/11/2020 +1 days 🔍
07/11/2020 +0 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: support.citrix.com
Status: Not defined

CVE: CVE-2020-8191 (🔍)
GCVE (CVE): GCVE-0-2020-8191
GCVE (VulDB): GCVE-100-157845
See also: 🔍

Entryinfo

Created: 07/11/2020 08:25
Updated: 07/11/2020 08:30
Changes: 07/11/2020 08:25 (38), 07/11/2020 08:30 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.