CVE-2021-27734
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
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.
Overview
- CVE ID
- CVE-2021-27734
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-17T15:15:07
- Last Modified Date
- 2022-07-12T17:42:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:* | 1 | OR | 08.1.00 | 08.6.00 |
| cpe:2.3:o:belden:hirschmann_hios:07.1.01:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:belden:hirschmann_hios:07.1.02:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:belden:hisecos:*:*:*:*:*:*:*:* | 1 | OR | 03.3.00 | 03.5.01 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-27734 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27734 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:14:58 | Added to TrackCVE | |||
| 2022-12-05 02:29:48 | 2021-05-17T15:15Z | 2021-05-17T15:15:07 | CVE Published Date | updated |
| 2022-12-05 02:29:48 | 2022-07-12T17:42:04 | CVE Modified Date | updated | |
| 2022-12-05 02:29:48 | Analyzed | Vulnerability Status | updated |