CVE-2021-20988
Hilscher rcX RTOS: Wrong handling of the UDP checksum
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
En Hilscher rcX RTOS versiones anteriores a V2.1.14.1, la longitud real del paquete UDP no es verificado con la longitud indicada por el paquete. Esto puede resultar a una denegación de servicio del dispositivo afectado
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2021-05-13 CVE Published
- 2024-01-27 EPSS Updated
- 2024-09-16 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://cert.vde.com/de-de/advisories/vde-2021-018 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://kb.hilscher.com/display/ISMS/2019-04-10+Wrong+handling+of+the+UDP+checksum | 2021-09-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-16di-g60l-v1d Firmware Search vendor "Pepperl-fuchs" for product "Ice1-16di-g60l-v1d Firmware" | <= f10017 Search vendor "Pepperl-fuchs" for product "Ice1-16di-g60l-v1d Firmware" and version " <= f10017" | - |
Affected
| in | Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-16di-g60l-v1d Search vendor "Pepperl-fuchs" for product "Ice1-16di-g60l-v1d" | - | - |
Safe
|
| Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-16dio-g60l-c1-v1d Firmware Search vendor "Pepperl-fuchs" for product "Ice1-16dio-g60l-c1-v1d Firmware" | <= f10017 Search vendor "Pepperl-fuchs" for product "Ice1-16dio-g60l-c1-v1d Firmware" and version " <= f10017" | - |
Affected
| in | Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-16dio-g60l-c1-v1d Search vendor "Pepperl-fuchs" for product "Ice1-16dio-g60l-c1-v1d" | - | - |
Safe
|
| Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-16dio-g60l-v1d Firmware Search vendor "Pepperl-fuchs" for product "Ice1-16dio-g60l-v1d Firmware" | <= f10017 Search vendor "Pepperl-fuchs" for product "Ice1-16dio-g60l-v1d Firmware" and version " <= f10017" | - |
Affected
| in | Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-16dio-g60l-v1d Search vendor "Pepperl-fuchs" for product "Ice1-16dio-g60l-v1d" | - | - |
Safe
|
| Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8di8do-g60l-c1-v1d Firmware Search vendor "Pepperl-fuchs" for product "Ice1-8di8do-g60l-c1-v1d Firmware" | <= f10017 Search vendor "Pepperl-fuchs" for product "Ice1-8di8do-g60l-c1-v1d Firmware" and version " <= f10017" | - |
Affected
| in | Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8di8do-g60l-c1-v1d Search vendor "Pepperl-fuchs" for product "Ice1-8di8do-g60l-c1-v1d" | - | - |
Safe
|
| Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8di8do-g60l-v1d Firmware Search vendor "Pepperl-fuchs" for product "Ice1-8di8do-g60l-v1d Firmware" | <= f10017 Search vendor "Pepperl-fuchs" for product "Ice1-8di8do-g60l-v1d Firmware" and version " <= f10017" | - |
Affected
| in | Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8di8do-g60l-v1d Search vendor "Pepperl-fuchs" for product "Ice1-8di8do-g60l-v1d" | - | - |
Safe
|
| Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8iol-g30l-v1d Firmware Search vendor "Pepperl-fuchs" for product "Ice1-8iol-g30l-v1d Firmware" | <= f10017 Search vendor "Pepperl-fuchs" for product "Ice1-8iol-g30l-v1d Firmware" and version " <= f10017" | - |
Affected
| in | Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8iol-g30l-v1d Search vendor "Pepperl-fuchs" for product "Ice1-8iol-g30l-v1d" | - | - |
Safe
|
| Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8iol-g60l-v1d Firmware Search vendor "Pepperl-fuchs" for product "Ice1-8iol-g60l-v1d Firmware" | <= f10017 Search vendor "Pepperl-fuchs" for product "Ice1-8iol-g60l-v1d Firmware" and version " <= f10017" | - |
Affected
| in | Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8iol-g60l-v1d Search vendor "Pepperl-fuchs" for product "Ice1-8iol-g60l-v1d" | - | - |
Safe
|
| Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8iol-s2-g60l-v1d Firmware Search vendor "Pepperl-fuchs" for product "Ice1-8iol-s2-g60l-v1d Firmware" | <= f10017 Search vendor "Pepperl-fuchs" for product "Ice1-8iol-s2-g60l-v1d Firmware" and version " <= f10017" | - |
Affected
| in | Pepperl-fuchs Search vendor "Pepperl-fuchs" | Ice1-8iol-s2-g60l-v1d Search vendor "Pepperl-fuchs" for product "Ice1-8iol-s2-g60l-v1d" | - | - |
Safe
|
| Hilscher Search vendor "Hilscher" | Rcx Rtos Search vendor "Hilscher" for product "Rcx Rtos" | < 2.1.14.1 Search vendor "Hilscher" for product "Rcx Rtos" and version " < 2.1.14.1" | - |
Affected
| ||||||