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01 Record

CVE-2021-34597

Phoenix Contact: PC Worx/-Express prone to improper input validation vulnerability

HighPUBLISHEDCNA: CERTVDE
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

02 Description

Phoenix Contact: PC Worx/-Express prone to improper input validation vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.65% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 50.7% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-11-04 09:50Z4 YR AGO
Last updated
2024-09-16 18:09Z2 YR AGO
Reserved
2021-06-10
Assigning CNA
CERTVDE
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
a0e35ecb5352e51efe02e501f65bcf5295ed98ac4aa856938b166d86c57c7ed2

05 Affected products

VendorProductVersionsPlatforms
Phoenix ContactPC WorxPC Worx to 1.88, PC Worx-Express to 1.88—

06 References

07 Remediation

With the next version of Automation Worx Software Suite additional plausibility checks for archive content will be implemented.