CVE-2021-39615

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

D-Link DSR-500N version 1.02 contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file.If an attacker succeeds in recovering the cleartext password of the identified hash value, he will be able to log in via SSH or Telnet and thus gain access to the underlying embedded Linux operating system on the device. Fixed in version 2.12/2. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

D-Link DSR-500N versión 1.02, contiene credenciales embebidas para cuentas de usuario no documentadas en el archivo "/etc/passwd".Si un atacante logra recuperar la contraseña en texto sin cifrar del valor hash identificado, podrá iniciar sesión por SSH o Telnet y, por lo tanto, conseguir acceso al sistema operativo Linux incorporado subyacente en el dispositivo. Corregido en la versión 2.12/2. NOTA: Esta vulnerabilidad sólo afecta a los productos que ya no son compatibles por el mantenedor.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-23 CVE Reserved
2021-08-23 CVE Published
2024-07-15 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-798: Use of Hard-coded Credentials

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://www.nussko.com/advisories/advisory-2021-08-02.txt	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10235	2024-05-17
https://www.dlink.com/en/security-bulletin	2024-05-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dlink Search vendor "Dlink"	Dsr-500n Firmware Search vendor "Dlink" for product "Dsr-500n Firmware"	1.02 Search vendor "Dlink" for product "Dsr-500n Firmware" and version "1.02"	-	Affected	in	Dlink Search vendor "Dlink"	Dsr-500n Search vendor "Dlink" for product "Dsr-500n"	-	-	Safe

* End Of Life in some or all products. Do not expect updates.