Vulnerability Details : CVE-2021-20986
A Denial of Service vulnerability was found in Hilscher PROFINET IO Device V3 in versions prior to V3.14.0.7. This may lead to unexpected loss of cyclic communication or interruption of acyclic communication.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2021-20986
- cpe:2.3:o:pepperl-fuchs:pgv100-f200a-b17-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pgv150i-f200a-b17-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pgv100-f200-b17-v1d-7477_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pxv100-f200-b17-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pxv100-f200-b17-v1d-3636_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pcv80-f200-b17-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pcv100-f200-b17-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pcv50-f200-b17-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pcv100-f200-b17-v1d-6011-6997_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pcv100-f200-b17-v1d-6011_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pcv100-f200-b17-v1d-6011-8203_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pxv100a-f200-b28-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pxv100a-f200-b28-v1d-6011_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pgv100a-f200-b28-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pgv100a-f200a-b28-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pgv100aq-f200a-b28-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pgv100aq-f200-b28-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pxv100aq-f200-b28-v1d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pxv100aq-f200-b28-v1d-6011_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:ohv-f230-b17_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:oit500-f113b17-cb_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:pha_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:pepperl-fuchs:wcs_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:hilscher:profinet_io_device_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20986
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20986
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
CERT VDE | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-20986
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- info@cert.vde.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-20986
-
https://cert.vde.com/en-us/advisories/vde-2021-006
PEPPERL+FUCHS: Multiple Products - Vulnerability may allow remote attackers to cause a Denial Of Service — English (USA)Third Party Advisory
-
https://kb.hilscher.com/display/ISMS/2020-12-03+Denial+of+Service+vulnerability+in+PROFINET+IO+Device
2020-12-03 Denial of Service vulnerability in PROFINET IO Device - Hilscher Cyber Security - KnowledgebaseVendor Advisory
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