CVE-2021-20986: hilscher profinet_io_device_firmware Out-of-bounds Write
CVSS: 7.5v3.1HighModified
Published 16-02-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-20986 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in hilscher profinet_io_device_firmware. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.5% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
1.04%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-02-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.04%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.04% on 21-09-2026
21-09-202621-10-2026
EPSS score1.04%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Pepperl-fuchs23 products
- ohv-f230-b17_firmware≤ 1.1.0
- oit500-f113b17-cb_firmware≤ 1.3.4
- pcv100-f200-b17-v1d_firmware≤ 3.2.3
- pcv100-f200-b17-v1d-6011_firmware≤ 3.2.5
- pcv100-f200-b17-v1d-6011-6997_firmware≤ 3.2.3
Pepper+fuchs6 products
- ohv≥ OHV-F230-B17, ≤ V1.1.0
- oit≥ OIT500-F113-B17-CB, ≤ V1.3.4
- pcv/pxv/pgv≥ PGV100-F200A-B17-V1D, PGV150I-F200A-B17-V1D, PGV100-F200-B17-V1D-7477, ≤ V2.0.0 | ≥ PXV100-F200-B17-V1D, PXV100-F200-B17-V1D-3636, ≤ V4.2.0 | ≥ PCV80-F200-B17-V1D, PCV100-F200-B17-V1D, PCV50-F200-B17-V1D, PCV100-F200-B17-V1D-6011-6997, ≤ V3.2.3 | ≥ PCV100-F200-B17-V1D-6011, PCV100-F200-B17-V1D-6011-8203, ≤ V3.2.5
- pha≥ PHA300-F200-B17-V1D, PHA400-F200-B17-V1D, PHA300-F200A-B17-V1D, PHA300-F200-B17-T-V1D, PHA200-F200A-B17-V1D, PHA200-F200-B17-V1D, PHA400-F200A-B17-V1D, PHA300-F200A-B17-T-V1D, PHA600-F200A-B17-V1D, PHA500-F200-B17-V1D, PHA500-F200A-B17-V1D, PHA600-F200-B17-V1D, PHA150-F200A-B17-V1D, PHA200-F200A-B17-T-V1D, PHA150-F200-B17-V1D, PHA800-F200-B17-V1D, PHA400-F200A-B17-T-V1D, PHA500-F200A-B17-T-V1D, PHA700-F200-B17-V1D, ≤ V3.1.5
- pxv/pgv b28 profisafe≥ PXV100A-F200-B28-V1D, PXV100A-F200-B28-V1D-6011, PGV100A-F200-B28-V1D, PGV100A-F200A-B28-V1D, ≤ V1.0.3 | ≥ PGV100AQ-F200A-B28-V1D, PGV100AQ-F200-B28-V1D, PXV100AQ-F200-B28-V1D, PXV100AQ-F200-B28-V1D-6011, ≤ V2.1.1
Hilscher1 product
- profinet_io_device_firmware≥ V3, < V3.14.0.7 | ≥ 3.0, < 3.14.0.7
3 vendors · 30 products
References
2 links- kb.hilscher.com/display/ISMS/2020-12-03+Denial+of+Service+vulnerability+in+PROFINET+IO+DeviceX Refsource CONFIRMVendor Advisory