VDB-154752 · CVE-2019-20768 · GCVE-0-2019-20768

ServiceNow IT Service Management Kingston service_catalog.do sysparm_item_guid/sys_id Stored 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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in ServiceNow IT Service Management Kingston. This issue affects some unknown processing of the file service_catalog.do. The manipulation of the argument sysparm_item_guid/sys_id as part of Parameter results in cross site scripting (Stored). This vulnerability is reported as CVE-2019-20768. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in ServiceNow IT Service Management Kingston (the affected version unknown). It has been classified as problematic. Affected is an unknown part of the file service_catalog.do. The manipulation of the argument sysparm_item_guid/sys_id as part of a Parameter leads to a cross site scripting vulnerability (Stored). 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. CVE summarizes:

ServiceNow IT Service Management Kingston through Patch 14-1, London through Patch 7, and Madrid before patch 4 allow stored XSS via crafted sysparm_item_guid and sys_id parameters in an Incident Request to service_catalog.do.

The weakness was disclosed 05/05/2020. This vulnerability is traded as CVE-2019-20768 since 04/15/2020. It is possible to launch the attack remotely. A authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

ServiceNow

Name

IT Service Management Kingston

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
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: Stored
Class: Cross site scripting / Stored
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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2020 🔍
05/05/2020 +20 days 🔍
05/06/2020 +1 days 🔍
05/06/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-20768 (🔍)
GCVE (CVE): GCVE-0-2019-20768
GCVE (VulDB): GCVE-100-154752

Entryinfo

Created: 05/06/2020 08:03
Updated: 05/06/2020 08:08
Changes: 05/06/2020 08:03 (37), 05/06/2020 08:08 (17)
Complete: 🔍
Cache ID: 216::103