CVE-2021-20987
CVSS V2 High 7.8
CVSS V3 High 8.6
Description
A denial of service and memory corruption vulnerability was found in Hilscher EtherNet/IP Core V2 prior to V2.13.0.21that may lead to code injection through network or make devices crash without recovery.
Overview
- CVE ID
- CVE-2021-20987
- Assigner
- info@cert.vde.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-02-16T17:15:12
- Last Modified Date
- 2022-04-26T14:11:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:hilscher:ethernet\/ip_adapter_firmware:*:*:*:*:*:*:*:* | 1 | OR | 2.0 | 2.13.0.21 |
| cpe:2.3:h:hilscher:ethernet\/ip_adapter:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:wcs_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.2.1 | |
| cpe:2.3:h:pepperl-fuchs:wcs3b-ls510:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:pepperl-fuchs:wcs3b-ls510-om:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:pepperl-fuchs:wcs3b-ls510d:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:pepperl-fuchs:wcs3b-ls510d-om:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:pepperl-fuchs:wcs3b-ls510dh:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:pepperl-fuchs:wcs3b-ls510dh-om:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:pepperl-fuchs:wcs3b-ls510h:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:pepperl-fuchs:wcs3b-ls510h-om:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:pxv100-f200-b25-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10.0 | |
| cpe:2.3:h:pepperl-fuchs:pxv100-f200-b25-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:pxv100i-f200-b25-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10.0 | |
| cpe:2.3:h:pepperl-fuchs:pxv100i-f200-b25-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:pcv100-f200-b25-v1d-6011-6720_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10.0 | |
| cpe:2.3:h:pepperl-fuchs:pcv100-f200-b25-v1d-6011-6720:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:pcv50-f200-b25-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10.0 | |
| cpe:2.3:h:pepperl-fuchs:pcv50-f200-b25-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:pcv80-f200-b25-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10.0 | |
| cpe:2.3:h:pepperl-fuchs:pcv80-f200-b25-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:pcv100-f200-b25-v1d-6011_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10.0 | |
| cpe:2.3:h:pepperl-fuchs:pcv100-f200-b25-v1d-6011:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 7.8
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 8.6
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 4
References
| Reference URL | Reference Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-007 | Third Party Advisory |
| https://kb.hilscher.com/pages/viewpage.action?pageId=108969480 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20987 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20987 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:26:36 | Added to TrackCVE | |||
| 2022-12-05 22:11:23 | 2021-02-16T17:15Z | 2021-02-16T17:15:12 | CVE Published Date | updated |
| 2022-12-05 22:11:23 | 2022-04-26T14:11:26 | CVE Modified Date | updated | |
| 2022-12-05 22:11:23 | Analyzed | Vulnerability Status | updated |