// For flags

CVE-2021-27734

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Hirschmann HiOS 07.1.01, 07.1.02, and 08.1.00 through 08.5.xx and HiSecOS 03.3.00 through 03.5.01 allow remote attackers to change the credentials of existing users.

Hirschmann HiOS versiones 07.1.01, 07.1.02 y versiones 08.1.00 hasta 08.5.xx y HiSecOS versiones 03.3.00 hasta 03.5.01, permiten a atacantes remotos cambiar las credenciales de los usuarios existentes

*Credits: N/A
CVSS Scores
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
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-02-25 CVE Reserved
  • 2021-05-17 CVE Published
  • 2024-01-31 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-287: Improper Authentication
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Belden
Search vendor "Belden"
 Hirschmann Hios
Search vendor "Belden" for product "Hirschmann Hios"
 >= 08.1.00 < 08.6.00
Search vendor "Belden" for product "Hirschmann Hios" and version " >= 08.1.00 < 08.6.00"
-
Affected
Belden
Search vendor "Belden"
 Hirschmann Hios
Search vendor "Belden" for product "Hirschmann Hios"
 07.1.01
Search vendor "Belden" for product "Hirschmann Hios" and version "07.1.01"
-
Affected
Belden
Search vendor "Belden"
 Hirschmann Hios
Search vendor "Belden" for product "Hirschmann Hios"
 07.1.02
Search vendor "Belden" for product "Hirschmann Hios" and version "07.1.02"
-
Affected
Belden
Search vendor "Belden"
 Hisecos
Search vendor "Belden" for product "Hisecos"
 >= 03.3.00 <= 03.5.01
Search vendor "Belden" for product "Hisecos" and version " >= 03.3.00 <= 03.5.01"
-
Affected