Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An attacker can use the knowledge gained by reading the insufficiently protected sensitive information to plan further attacks.

published 2020-12-17 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4820

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an attacker can use the knowledge gained by reading the insufficiently protected sensitive information to plan further attacks.

Patch / fix

fixed in 6

Phoenix Contact AXC F 1152 (1151412) 2021.0 LTS
Phoenix Contact AXC F 2152 (2404267) 2021.0 LTS
Phoenix Contact AXC F 3152 (1069208) 2021.0 LTS
Phoenix Contact RFC 4072S (1051328 2021.0 LTS
Phoenix Contact AXC F 2152 Starterkit (1046568) 2021.0 LTS
Phoenix Contact PLCnext Technology Starterkit (1188165) 2021.0 LTS

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

Phoenix Contact AXC F 1152 (1151412)
Phoenix Contact AXC F 2152 (2404267)
Phoenix Contact AXC F 3152 (1069208)
Phoenix Contact RFC 4072S (1051328
Phoenix Contact AXC F 2152 Starterkit (1046568)
Phoenix Contact PLCnext Technology Starterkit (1188165)

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

cert.vde.com /en-us/advisories/vde-2020-049
third-party-advisory

Sources

CVE List CVE-2020-12518
NVD CVE-2020-12518

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary