CVE-2021-34716
CVSS V2 High 9
CVSS V3 High 7.2
Description
A vulnerability in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute arbitrary code on the underlying operating system as the root user. This vulnerability is due to incorrect handling of certain crafted software images that are uploaded to the affected device. An attacker could exploit this vulnerability by authenticating to the system as an administrative user and then uploading specific crafted software images to the affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system as the root user.
Overview
- CVE ID
- CVE-2021-34716
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-18T20:15:07
- Last Modified Date
- 2021-08-25T19:01:21
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:cisco:expressway:*:*:*:*:*:*:*:* | 1 | OR | x8.6.0 | x14.1 |
| cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:*:*:*:* | 1 | OR | x8.6 | x14.0.3 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 9
- Severity
- HIGH
- Exploitability Score
- 8
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.2
- Base Severity
- HIGH
- Exploitability Score
- 1.2
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewrce-QPynNCjh | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-34716 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34716 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:56:00 | Added to TrackCVE | |||
| 2022-12-05 08:33:05 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-05 08:33:05 | 2021-08-18T20:15Z | 2021-08-18T20:15:07 | CVE Published Date | updated |
| 2022-12-05 08:33:05 | 2021-08-25T19:01:21 | CVE Modified Date | updated | |
| 2022-12-05 08:33:05 | Analyzed | Vulnerability Status | updated |