CVE-2020-12499
CVE-2020-12499 is a high-severity vulnerability in Phoenixcontact Plcnext Engineer with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- CVSS v2: 4.4
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Phoenixcontact Plcnext Engineer
- Published:
- Last modified:
Description
In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.
Frequently asked questions
- What is CVE-2020-12499?
- In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.
- How severe is CVE-2020-12499?
- CVE-2020-12499 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-12499 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-12499?
- CVE-2020-12499 affects Phoenixcontact Plcnext Engineer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-12499?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-12499 published?
- CVE-2020-12499 was published on 2020-07-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:phoenixcontact:plcnext_engineer:*:*:*:*:*:*:*:*
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