CVE-2021-20988

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-20988
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
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
Configurations

Configuration 1 (hide)

cpe:2.3:a:hilscher:rcx_rtos:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:pepperl-fuchs:ice1-16di-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-16di-g60l-v1d:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:pepperl-fuchs:ice1-16dio-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-16dio-g60l-c1-v1d:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:pepperl-fuchs:ice1-16dio-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-16dio-g60l-v1d:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:pepperl-fuchs:ice1-8di8do-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8di8do-g60l-c1-v1d:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:pepperl-fuchs:ice1-8di8do-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8di8do-g60l-v1d:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:pepperl-fuchs:ice1-8iol-g30l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8iol-g30l-v1d:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:pepperl-fuchs:ice1-8iol-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8iol-g60l-v1d:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:pepperl-fuchs:ice1-8iol-s2-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8iol-s2-g60l-v1d:-:*:*:*:*:*:*:*
History

09 Sep 2021, 12:51

Type Values Removed Values Added
CPE cpe:2.3:o:pepperi-fuchs:ice1-8iol-g30l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8iol-g30l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-16dio-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-16di-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8iol-s2-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-16dio-g60l-c1-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-16dio-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-8di8do-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-16di-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8di8do-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8di8do-g60l-c1-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-16dio-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-8iol-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8iol-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-8di8do-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-8iol-s2-g60l-v1d_firmware:*:*:*:*:*:*:*:*		 cpe:2.3:o:pepperl-fuchs:ice1-8iol-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:ice1-8iol-s2-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-16dio-g60l-c1-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:ice1-16dio-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-16di-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:ice1-8iol-g30l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8iol-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8di8do-g60l-c1-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:ice1-8di8do-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8iol-g30l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8iol-s2-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-8di8do-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:ice1-8di8do-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:ice1-16dio-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:ice1-16di-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:ice1-16dio-g60l-v1d:-:*:*:*:*:*:*:*

21 May 2021, 19:37

Type Values Removed Values Added
CWE CWE-119
References (CONFIRM) https://cert.vde.com/de-de/advisories/vde-2021-018 - (CONFIRM) https://cert.vde.com/de-de/advisories/vde-2021-018 - Third Party Advisory
References (CONFIRM) https://kb.hilscher.com/display/ISMS/2019-04-10+Wrong+handling+of+the+UDP+checksum - (CONFIRM) https://kb.hilscher.com/display/ISMS/2019-04-10+Wrong+handling+of+the+UDP+checksum - Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CPE cpe:2.3:o:pepperi-fuchs:ice1-8di8do-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:hilscher:rcx_rtos:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-16di-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8di8do-g60l-c1-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8iol-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-16dio-g60l-c1-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-16dio-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-16di-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-16dio-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8iol-s2-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-16dio-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8iol-g30l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-8iol-s2-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:pepperi-fuchs:ice1-8di8do-g60l-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-8iol-g60l-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-8di8do-g60l-c1-v1d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperi-fuchs:ice1-8iol-g30l-v1d_firmware:*:*:*:*:*:*:*:*

13 May 2021, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-13 14:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-20988

Mitre link : CVE-2021-20988

CVE.ORG link : CVE-2021-20988

JSON object : View

Products Affected

pepperl-fuchs

  • ice1-8iol-g60l-v1d_firmware
  • ice1-8iol-g60l-v1d
  • ice1-8di8do-g60l-v1d_firmware
  • ice1-16di-g60l-v1d_firmware
  • ice1-16dio-g60l-v1d_firmware
  • ice1-8di8do-g60l-c1-v1d_firmware
  • ice1-8di8do-g60l-v1d
  • ice1-8iol-s2-g60l-v1d
  • ice1-8iol-g30l-v1d_firmware
  • ice1-16di-g60l-v1d
  • ice1-16dio-g60l-v1d
  • ice1-16dio-g60l-c1-v1d_firmware
  • ice1-8di8do-g60l-c1-v1d
  • ice1-8iol-s2-g60l-v1d_firmware
  • ice1-16dio-g60l-c1-v1d
  • ice1-8iol-g30l-v1d

hilscher

  • rcx_rtos
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer