CVE-2020-8485
CVE-2020-8485 is a high-severity vulnerability in Abb 800xa with a CVSS 3.x base score of 7.8. 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-264.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-264
- Affected product: Abb 800xa
- Published:
- Last modified:
Description
Insufficient protection of the inter-process communication functions in ABB System 800xA for MOD 300 (all published versions) enables an attacker authenticated on the local system to inject data, allowing reads and writes to the controllers or cause windows processes to crash.
Frequently asked questions
- What is CVE-2020-8485?
- Insufficient protection of the inter-process communication functions in ABB System 800xA for MOD 300 (all published versions) enables an attacker authenticated on the local system to inject data, allowing reads and writes to the controllers or cause windows processes to crash.
- How severe is CVE-2020-8485?
- CVE-2020-8485 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-8485 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8485?
- CVE-2020-8485 affects Abb 800xa. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8485?
- 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-2020-8485 published?
- CVE-2020-8485 was published on 2020-04-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:abb:800xa:*:*:*:*:*:*:mod_300:*
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