CVE-2020-12514: pepper+fuchs comtrol io-link master NULL Pointer Dereference
CVSS: 6.6v3.1MediumModified
Published 22-01-2021Last modified 16-09-2024
Vulnerability summary
CVE-2020-12514 is a medium (CVSS 6.6) NULL Pointer Dereference vulnerability in pepper+fuchs comtrol io-link master. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.2% of scored vulnerabilities.
CVSS score
6.6/10
010
Medium · v3.1 (CVE.org)EPSS score
1.03%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-01-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HSources2 sources · 4.9–6.6
- NVDNIST4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HDiffers
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
+0.01 pp
From 1.01% on 21-09-2026
21-09-202621-10-2026
EPSS score1.03%
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-fuchs12 products
- io-link_master_4-eip_firmware≤ 1.5.48
- io-link_master_4-pnio_firmware≤ 1.5.48
- io-link_master_8-eip_firmware≤ 1.5.48
- io-link_master_8-eip-l_firmware≤ 1.5.48
- io-link_master_8-pnio_firmware≤ 1.5.48
Pepper+fuchs1 product
- comtrol io-link master≥ unspecified, ≤ 1.5.48
2 vendors · 13 products