Buffer overflow in Hilscher Rcx Rtos
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.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (58.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Hilscher Rcx Rtos — versions unspecified
- Hilscher Rcx_rtos
- Pepperl+fuchs Ethernet Io Modules Ice1-16 — versions ICE1-16DI-G60L-V1D, ICE1-16DIO-G60L-C1-V1D, ICE1-16DIO-G60L-V1D
- Pepperl+fuchs Ethernet Io Modules Ice1-8 — versions ICE1-8DI8DO-G60L-C1-V1D, ICE1-8DI8DO-G60L-V1D, ICE1-8IOL-G30L-V1D
- Pepperl-fuchs Ice1-16di-g60l-v1d
- Pepperl-fuchs Ice1-16di-g60l-v1d_firmware
- Pepperl-fuchs Ice1-16dio-g60l-c1-v1d
- Pepperl-fuchs Ice1-16dio-g60l-c1-v1d_firmware
- Pepperl-fuchs Ice1-16dio-g60l-v1d
- Pepperl-fuchs Ice1-16dio-g60l-v1d_firmware
Weakness classification (CWE)
References
- info@cert.vde.com (x_refsource_CONFIRM, Vendor Advisory)
- info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20988?
- CVE-2021-20988 is a high-severity vulnerability in Hilscher Rcx Rtos, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.6/10. Published 2021-05-13.
- How severe is CVE-2021-20988?
- High severity. CVSS v3 base score is 8.6 out of 10.