Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference
Priority LOW 31CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.
Summary
Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd
Why it matters now
EPSS 0.01026 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Pepperl+Fuchs | Comtrol IO-Link Master | up to 1.5.48 | — | No fix listed | CNA |
- Comtrol IO-Link Master VendorPepperl+Fuchs Affected up to 1.5.48 Fixed in — No fix listed CNA
CPE configurations NVD · 24
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:pepperl-fuchs:io-link_master_4-eip_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_4-eip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_8-eip_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_8-eip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_8-eip-l_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_8-eip-l:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip-p_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip-p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
- cpe:2.3:o:pepperl-fuchs:io-link_master_4-eip_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_4-eip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_8-eip_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_8-eip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_8-eip-l_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_8-eip-l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip-p_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip-p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
Show 14 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip-t_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_4-pnio_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_4-pnio:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_8-pnio_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_8-pnio:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_8-pnio-l_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_8-pnio-l:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio-p_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio-p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
| cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio-t_firmware:*:*:*:*:*:*:*:* | up to 1.5.48 | Vulnerable | Pepperl+Fuchs |
| cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Pepperl+Fuchs |
- cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_4-pnio_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_4-pnio:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_8-pnio_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_8-pnio:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_8-pnio-l_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_8-pnio-l:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio-p_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio-p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
- cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.5.48 Vulnerable ·Pepperl+Fuchs
- cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Pepperl+Fuchs
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-12514
- 2026-10-03 Alias added: GHSA-pvhr-37pj-qc85
References
More Pepperl+Fuchs Io-link Master 4-eip Firmware vulnerabilities
- TI-2020-10008 Pepper+Fuchs Comtrol IO-Link Master OS Command Injection CVSS 3.1HIGH 8.8
- TI-2020-10006 Pepper+Fuchs Comtrol IO-Link Master Cross-Site Request Forgery CVSS 3.1HIGH 8.8
- TI-2020-10007 Pepper+Fuchs Comtrol IO-Link Master Cross-Site Scripting CVSS 3.1HIGH 7.5
Sources
- CVE-2020-12514 · CVE Program
- CVE-2020-12514 · NVD
- FIRST EPSS
- GHSA-pvhr-37pj-qc85 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences