CVE-2021-27408
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
The affected product is vulnerable to an out-of-bounds read, which can cause information leakage leading to arbitrary code execution if chained to the out-of-bounds write vulnerability on the Welch Allyn medical device management tools (Welch Allyn Service Tool: versions prior to v1.10, Welch Allyn Connex Device Integration Suite – Network Connectivity Engine (NCE): versions prior to v5.3, Welch Allyn Software Development Kit (SDK): versions prior to v3.2, Welch Allyn Connex Central Station (CS): versions prior to v1.8.6, Welch Allyn Service Monitor: versions prior to v1.7.0.0, Welch Allyn Connex Vital Signs Monitor (CVSM): versions prior to v2.43.02, Welch Allyn Connex Integrated Wall System (CIWS): versions prior to v2.43.02, Welch Allyn Connex Spot Monitor (CSM): versions prior to v1.52, Welch Allyn Spot Vital Signs 4400 Device (Spot 4400) / Welch Allyn Spot 4400 Vital Signs Extended Care Device: versions prior to v1.11.00).
Overview
- CVE ID
- CVE-2021-27408
- Assigner
- ics-cert@hq.dhs.gov
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-11T17:15:10
- Last Modified Date
- 2021-06-29T20:57:35
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:hillrom:connex_central_station:*:*:*:*:*:*:*:* | 1 | OR | 1.8.6 | |
| cpe:2.3:a:hillrom:connex_device_integration_suite_network_connectivity_engine:*:*:*:*:*:*:*:* | 1 | OR | 5.3 | |
| cpe:2.3:a:hillrom:connex_integrated_wall_system:*:*:*:*:*:*:*:* | 1 | OR | 2.43.02 | |
| cpe:2.3:a:hillrom:connex_spot_monitor:*:*:*:*:*:*:*:* | 1 | OR | 1.52 | |
| cpe:2.3:a:hillrom:connex_vital_signs_monitor:*:*:*:*:*:*:*:* | 1 | OR | 2.43.02 | |
| cpe:2.3:a:hillrom:service_monitor:*:*:*:*:*:*:*:* | 1 | OR | 1.7.0.0 | |
| cpe:2.3:a:hillrom:service_tool:*:*:*:*:*:*:*:* | 1 | OR | 1.10 | |
| cpe:2.3:a:hillrom:software_development_kit:*:*:*:*:*:*:*:* | 1 | OR | 3.2 | |
| cpe:2.3:a:hillrom:spot_vital_signs_4400:*:*:*:*:-:*:*:* | 1 | OR | 1.11.00 | |
| cpe:2.3:a:hillrom:spot_vital_signs_4400:*:*:*:*:extended_care:*:*:* | 1 | OR | 1.11.00 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsma-21-152-01 | Mitigation Third Party Advisory US Government Resource |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-27408 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27408 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:09:24 | Added to TrackCVE | |||
| 2022-12-05 04:20:44 | 2021-06-11T17:15Z | 2021-06-11T17:15:10 | CVE Published Date | updated |
| 2022-12-05 04:20:44 | 2021-06-29T20:57:35 | CVE Modified Date | updated | |
| 2022-12-05 04:20:44 | Analyzed | Vulnerability Status | updated |