// For flags

CVE-2021-1486

Cisco SD-WAN vManage HTTP Authentication User Enumeration Vulnerability

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A vulnerability in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to enumerate user accounts. This vulnerability is due to the improper handling of HTTP headers. An attacker could exploit this vulnerability by sending authenticated requests to an affected system. A successful exploit could allow the attacker to compare the HTTP responses that are returned by the affected system to determine which accounts are valid user accounts.

Una vulnerabilidad en Cisco SD-WAN vManage Software, podría permitir a un atacante remoto no autenticado enumerar las cuentas de usuario. Esta vulnerabilidad es debido al manejo inapropiado de los encabezados HTTP. Un atacante podría explotar esta vulnerabilidad mediante el envío de peticiones autenticadas a un sistema afectado. Una explotación con éxito podría permitir al atacante comparar las respuestas HTTP que son devueltas por el sistema afectado para determinar qué cuentas son cuentas de usuario válidas

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-11-13 CVE Reserved
  • 2021-05-06 CVE Published
  • 2024-05-08 EPSS Updated
  • 2024-11-08 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-203: Observable Discrepancy
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
 Catalyst Sd-wan Manager
Search vendor "Cisco" for product "Catalyst Sd-wan Manager"
 >= 20.4 < 20.4.1
Search vendor "Cisco" for product "Catalyst Sd-wan Manager" and version " >= 20.4 < 20.4.1"
-
Affected
Cisco
Search vendor "Cisco"
 Sd-wan Vmanage
Search vendor "Cisco" for product "Sd-wan Vmanage"
 < 20.3.3
Search vendor "Cisco" for product "Sd-wan Vmanage" and version " < 20.3.3"
-
Affected