synced 3 MIN AGO
01 Record

CVE-2020-12499

PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier: Improper path sanitation vulnerability.

HighPUBLISHEDCNA: CERTVDE
CNA base score8.2 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

02 Description

PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier: Improper path sanitation 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
0.40% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 33.9% of scored records. A rank, not a probability.
NVD base score
7.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/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
2020-07-21 15:09Z6 YR AGO
Last updated
2024-09-17 03:18Z2 YR AGO
Reserved
2020-04-30
Assigning CNA
CERTVDE
Record state
PUBLISHED
Severity
High (CVSS 8.2)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
Data version
5.1
Document digest
b65f5a15b4682210eebf44f925ef114a8b95744d4c5eabf8f49b1b4edd296cdc

05 Affected products

VendorProductVersionsPlatforms
PHOENIX CONTACTPLCnext Engineer<= 2020.3.1—

06 References

07 Remediation

Temporary Fix / Mitigation: We strongly recommend customers to exchange project files only using secure file exchange services. Project files should not be exchanged via unencrypted email. Users should avoid importing project files from unknown source and exchange or store project files together with a checksum to ensure their integrity.

Remediation: Phoenix Contact strongly recommends updating to the latest version PLCnext Enineer 2020.6 or higher, which fixes this vulnerability.