EPON CPE-WiFi 2.0.4-X000 Privileges Cookie access control

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.
8.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in EPON CPE-WiFi 2.0.4-X000. This affects an unknown function of the component Privileges. Executing a manipulation as part of Cookie can lead to access control. This vulnerability is handled as CVE-2018-20512. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in EPON CPE-WiFi 2.0.4-X000 (Wireless LAN Software) and classified as critical. This vulnerability affects an unknown code block of the component Privileges. The manipulation as part of a Cookie leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

EPON CPE-WiFi devices 2.0.4-X000 are vulnerable to escalation of privileges by sending cooLogin=1, cooUser=admin, and timestamp=-1 cookies.

The bug was discovered 01/02/2019. The weakness was released 01/03/2019 (Website). The advisory is available at reddit.com. This vulnerability was named CVE-2018-20512 since 12/27/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

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

Type

Vendor

Name

Version

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: 6.9
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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

12/27/2018 🔍
01/02/2019 +6 days 🔍
01/03/2019 +1 days 🔍
01/03/2019 +0 days 🔍
01/04/2019 +1 days 🔍
04/26/2020 +478 days 🔍

Sourcesinfo

Advisory: reddit.com
Status: Not defined

CVE: CVE-2018-20512 (🔍)
GCVE (CVE): GCVE-0-2018-20512
GCVE (VulDB): GCVE-100-128686
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/04/2019 12:31
Updated: 04/26/2020 09:35
Changes: 01/04/2019 12:31 (60), 04/26/2020 09:35 (1)
Complete: 🔍
Cache ID: 216::103

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