NEC ExpressCluster 4.1 XML Data XML Document xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in NEC ExpressCluster 4.1 and classified as critical. The affected element is an unknown function of the component XML Data Handler. This manipulation as part of XML Document causes xml external entity reference. This vulnerability is handled as CVE-2020-17408. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in NEC ExpressCluster 4.1. Affected by this vulnerability is an unknown part of the component XML Data Handler. The manipulation as part of a XML Document 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:

This vulnerability allows remote attackers to disclose sensitive information on affected installations of NEC ExpressCluster 4.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the clpwebmc executable. Due to the improper restriction of XML External Entity (XXE) references, a specially-crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-10801.

The weakness was released 09/10/2020 (Website). The advisory is shared at support.nec.co.jp. This vulnerability is known as CVE-2020-17408 since 08/07/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2020 🔍
09/10/2020 +34 days 🔍
09/11/2020 +1 days 🔍
09/11/2020 +0 days 🔍

Sourcesinfo

Advisory: support.nec.co.jp
Status: Not defined

CVE: CVE-2020-17408 (🔍)
GCVE (CVE): GCVE-0-2020-17408
GCVE (VulDB): GCVE-100-161101

Entryinfo

Created: 09/11/2020 07:24
Updated: 09/11/2020 07:29
Changes: 09/11/2020 07:24 (39), 09/11/2020 07:29 (11)
Complete: 🔍
Cache ID: 216::103

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