D-Link DSL-2640B B2 EU_4.01B CGI improper authentication

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.
8.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in D-Link DSL-2640B B2 EU_4.01B. It has been rated as critical. Affected by this issue is some unknown functionality of the component CGI Module Handler. The manipulation leads to improper authentication. This vulnerability is listed as CVE-2020-9277. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in D-Link DSL-2640B B2 EU_4.01B. It has been rated as critical. This issue affects an unknown function of the component CGI Module Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. Authentication can be bypassed when accessing cgi modules. This allows one to perform administrative tasks (e.g., modify the admin password) with no authentication.

The weakness was presented 04/20/2020. The identification of this vulnerability is CVE-2020-9277 since 02/19/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/21/2020).

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

See VDB-154135, VDB-154134, VDB-154132 and VDB-154131 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Improper authentication
CWE: CWE-287
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

02/19/2020 🔍
04/20/2020 +61 days 🔍
04/21/2020 +1 days 🔍
06/01/2024 +1502 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: raelize.com
Status: Not defined

CVE: CVE-2020-9277 (🔍)
GCVE (CVE): GCVE-0-2020-9277
GCVE (VulDB): GCVE-100-154133
See also: 🔍

Entryinfo

Created: 04/21/2020 08:27
Updated: 06/01/2024 09:37
Changes: 04/21/2020 08:27 (37), 04/21/2020 08:32 (17), 06/01/2024 09:37 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

 william.brown (+0)
6 years ago
D-Link SIRT :: For Accurate and Up-to-Date information please go to: https://bit.ly/2ytOHez
 william.brown (+0)
6 years ago
D-Link SIRT :: For Accurate and Up-to-Date information please go to: https://bit.ly/2ytOHez

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