Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-27734

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.

Published

2021-05-17T15:15:07.700

Last Modified

2024-11-21T05:58:28.980

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	belden	hirschmann_hios	< 08.6.00	Yes
Operating System	belden	hirschmann_hios	07.1.01	Yes
Operating System	belden	hirschmann_hios	07.1.02	Yes
Operating System	belden	hisecos	≤ 03.5.01	Yes

References

https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016 Vendor Advisory ([email protected])
https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)