CVE-2021-20988
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual UDP packet length is not verified against the length indicated by the packet. This may lead to a denial of service of the affected device.
Overview
- CVE ID
- CVE-2021-20988
- Assigner
- info@cert.vde.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-13T14:15:17
- Last Modified Date
- 2021-09-09T12:51:49
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:hilscher:rcx_rtos:*:*:*:*:*:*:*:* | 1 | OR | 2.1.14.1 | |
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:ice1-16di-g60l-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | f10017 | |
| cpe:2.3:h:pepperl-fuchs:ice1-16di-g60l-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:ice1-16dio-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | f10017 | |
| cpe:2.3:h:pepperl-fuchs:ice1-16dio-g60l-c1-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:ice1-16dio-g60l-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | f10017 | |
| cpe:2.3:h:pepperl-fuchs:ice1-16dio-g60l-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:ice1-8di8do-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | f10017 | |
| cpe:2.3:h:pepperl-fuchs:ice1-8di8do-g60l-c1-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:ice1-8di8do-g60l-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | f10017 | |
| cpe:2.3:h:pepperl-fuchs:ice1-8di8do-g60l-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:ice1-8iol-g30l-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | f10017 | |
| cpe:2.3:h:pepperl-fuchs:ice1-8iol-g30l-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:ice1-8iol-g60l-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | f10017 | |
| cpe:2.3:h:pepperl-fuchs:ice1-8iol-g60l-v1d:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:pepperl-fuchs:ice1-8iol-s2-g60l-v1d_firmware:*:*:*:*:*:*:*:* | 1 | OR | f10017 | |
| cpe:2.3:h:pepperl-fuchs:ice1-8iol-s2-g60l-v1d:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- 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:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://cert.vde.com/de-de/advisories/vde-2021-018 | Third Party Advisory |
| https://kb.hilscher.com/display/ISMS/2019-04-10+Wrong+handling+of+the+UDP+checksum | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20988 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20988 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:06:32 | Added to TrackCVE | |||
| 2022-12-05 02:12:25 | 2021-05-13T14:15Z | 2021-05-13T14:15:17 | CVE Published Date | updated |
| 2022-12-05 02:12:25 | 2021-09-09T12:51:49 | CVE Modified Date | updated | |
| 2022-12-05 02:12:25 | Analyzed | Vulnerability Status | updated |