How severe is CVE-2020-8486?

CVE-2020-8486 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2020-8486 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8486?

CVE-2020-8486 affects Abb 800xa Rnrp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8486?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-8486 published?

CVE-2020-8486 was published on 2020-04-29 and last updated on 2026-06-17.

CVE-2020-8486

CVE-2020-8486 is a medium-severity vulnerability in Abb 800xa Rnrp with a CVSS 3.x base score of 6.6. 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: Medium (CVSS 3.x base score 6.6)
CVSS v2: 4.6
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Abb 800xa Rnrp
Published: 2020-04-29
Last modified: 2026-06-17

Description

Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.

Frequently asked questions

What is CVE-2020-8486?: Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.
How severe is CVE-2020-8486?: CVE-2020-8486 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2020-8486 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8486?: CVE-2020-8486 affects Abb 800xa Rnrp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8486?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8486 published?: CVE-2020-8486 was published on 2020-04-29 and last updated on 2026-06-17.

References

https://search.abb.com/library/Download.aspx?DocumentID=2PAA121236&LanguageCode=en&DocumentPartId=&Action=Launch

Affected products (1)

cpe:2.3:a:abb:800xa_rnrp:*:*:*:*:*:*:*:*

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