VDB-128689 · CVE-2018-20664 · Qualys 371581

Zoho ManageEngine ADSelfService Plus up to 5.x Product License xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
8.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Zoho ManageEngine ADSelfService Plus up to 5.x. Affected by this vulnerability is an unknown functionality of the component Product License Handler. This manipulation causes xml external entity reference. The identification of this vulnerability is CVE-2018-20664. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zoho ManageEngine ADSelfService Plus up to 5.x. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Product License Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Zoho ManageEngine ADSelfService Plus 5.x before build 5701 has XXE via an uploaded product license.

The bug was discovered 11/30/2018. The weakness was shared 01/03/2019 (Website). The advisory is shared at manageengine.com. This vulnerability is known as CVE-2018-20664 since 01/03/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 34 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 371581 (Zoho ManageEngine ADSelfService Plus XML External Entity (XXE) Vulnerability).

Upgrading to version 5.x Build 5701 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

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: Xml external entity reference
CWE: CWE-611 / CWE-610
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ADSelfService Plus 5.x Build 5701

Timelineinfo

11/30/2018 🔍
01/03/2019 +34 days 🔍
01/03/2019 +0 days 🔍
01/03/2019 +0 days 🔍
01/04/2019 +1 days 🔍
04/26/2020 +478 days 🔍

Sourcesinfo

Vendor: manageengine.com

Advisory: manageengine.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-20664 (🔍)
GCVE (CVE): GCVE-0-2018-20664
GCVE (VulDB): GCVE-100-128689

Entryinfo

Created: 01/04/2019 12:33
Updated: 04/26/2020 09:43
Changes: 01/04/2019 12:33 (60), 04/26/2020 09:43 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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