Pepperl+Fuchs P+F Comtrol IO-Link Master up to 1.5.48 discoveryd null pointer dereference

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CVSS Meta Temp Score
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4.4$0-$5k0.00

A vulnerability was found in Pepperl+Fuchs P+F Comtrol IO-Link Master up to 1.5.48 (Programming Language Software). It has been declared as problematic. This vulnerability affects some unknown processing of the component discoveryd. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-476. As an impact it is known to affect availability. CVE summarizes:

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

The weakness was disclosed 01/23/2021 as vde-2020-038. The advisory is available at cert.vde.com. This vulnerability was named CVE-2020-12514 since 04/30/2020. The exploitation appears to be difficult. The attack can be initiated remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔒

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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Denial of service
CWE: CWE-476
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Countermeasuresinfoedit

Recommended: Upgrade
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0-Day Time: 🔒

Timelineinfoedit

04/30/2020 CVE assigned
01/23/2021 +268 days Advisory disclosed
01/23/2021 +0 days VulDB entry created
02/19/2021 +27 days VulDB last update

Sourcesinfoedit

Advisory: vde-2020-038
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2020-12514 (🔒)

Entryinfoedit

Created: 01/23/2021 10:01 AM
Updated: 02/19/2021 12:58 PM
Changes: (19) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_cve_cna vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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