CVEvulnerability
CVE-2021-20988
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• hilscher rcx rtos (< 2.1.14.1)
• pepperl-fuchs ice1-16di-g60l-v1d firmware (<= f10017)
• pepperl-fuchs ice1-16dio-g60l-c1-v1d firmware (<= f10017)
• pepperl-fuchs ice1-16dio-g60l-v1d firmware (<= f10017)
• pepperl-fuchs ice1-8di8do-g60l-c1-v1d firmware (<= f10017)
• pepperl-fuchs ice1-8di8do-g60l-v1d firmware (<= f10017)
• pepperl-fuchs ice1-8iol-g30l-v1d firmware (<= f10017)
• pepperl-fuchs ice1-8iol-g60l-v1d firmware (<= f10017)
• pepperl-fuchs ice1-8iol-s2-g60l-v1d firmware (<= f10017)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- 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
- 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