VDB-159148 · CVE-2019-20029 · GCVE-0-2019-20029

NEC SV8100/SV9100/SL1100/SL2100 WebPro privileges management

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in NEC SV8100, SV9100, SL1100 and SL2100. Affected by this vulnerability is an unknown functionality of the component WebPro. Executing a manipulation can lead to privileges management. This vulnerability appears as CVE-2019-20029. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in NEC SV8100, SV9100, SL1100 and SL2100 (the affected version unknown). This vulnerability affects an unknown part of the component WebPro. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An exploitable privilege escalation vulnerability exists in the WebPro functionality of Aspire-derived NEC PBXes, including all versions of SV8100, SV9100, SL1100 and SL2100 devices. A specially crafted HTTP POST can cause privilege escalation resulting in a higher privileged account, including an undocumented developer level of access.

The weakness was presented 07/29/2020. This vulnerability was named CVE-2019-20029 since 12/27/2019. The attack can be initiated remotely. A single authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

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

See VDB-159151, VDB-159147 and VDB-159146 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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

Class: Privileges management
CWE: CWE-269 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/27/2019 🔍
07/29/2020 +215 days 🔍
07/30/2020 +1 days 🔍
07/30/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-20029 (🔍)
GCVE (CVE): GCVE-0-2019-20029
GCVE (VulDB): GCVE-100-159148
See also: 🔍

Entryinfo

Created: 07/30/2020 15:26
Updated: 07/30/2020 15:31
Changes: 07/30/2020 15:26 (35), 07/30/2020 15:31 (17)
Complete: 🔍
Cache ID: 216::103