Zoho ManageEngine ADSelfService Plus up to 5.7 Self-Update Layout cross site scripting

HistoryDiffrelatejsonxmlCTI

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.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Zoho ManageEngine ADSelfService Plus up to 5.7. The impacted element is an unknown function of the component Self-Update Layout. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2018-20484. The attack can be launched remotely. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Zoho ManageEngine ADSelfService Plus up to 5.7. Affected by this issue is an unknown part of the component Self-Update Layout. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

Zoho ManageEngine ADSelfService Plus 5.7 before build 5702 has XSS in the self-update layout implementation.

The bug was discovered 12/10/2018. The weakness was disclosed 12/26/2018 (Website). The advisory is shared for download at manageengine.com. This vulnerability is handled as CVE-2018-20484 since 12/26/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371391 (Zoho ManageEngine ADSelfService Plus Cross Site Scripting (XSS) Vulnerability).

Upgrading to version 5.7 Build 5702 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46815). The entries VDB-128433 and VDB-132037 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Zoho ManageEngine

Name

ADSelfService Plus

Version

License

commercial

Website

Vendor: https://www.manageengine.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ADSelfService Plus 5.7 Build 5702

Timelineinfo

12/10/2018 🔍
12/26/2018 +16 days 🔍
12/26/2018 +0 days 🔍
12/26/2018 +0 days 🔍
12/26/2018 +0 days 🔍
08/31/2025 +2440 days 🔍

Sourcesinfo

Vendor: manageengine.com

Advisory: 152793
Status: Confirmed

CVE: CVE-2018-20484 (🔍)
GCVE (CVE): GCVE-0-2018-20484
GCVE (VulDB): GCVE-100-128432
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/26/2018 21:52
Updated: 08/31/2025 20:54
Changes: 12/26/2018 21:52 (61), 04/24/2020 12:42 (1), 06/22/2023 08:51 (4), 08/31/2025 20:54 (23)
Complete: 🔍
Cache ID: 216::103

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