How severe is CVE-2020-7880?

CVE-2020-7880 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7880 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7880?

CVE-2020-7880 affects Douzone Neors. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7880?

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-2020-7880 published?

CVE-2020-7880 was published on 2021-11-30 and last updated on 2026-06-17.

CVE-2020-7880

CVE-2020-7880 is a high-severity vulnerability in Douzone Neors with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 9.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Douzone Neors
Published: 2021-11-30
Last modified: 2026-06-17

Description

The vulnerabilty was discovered in ActiveX module related to NeoRS remote support program. This issue allows an remote attacker to download and execute remote file. It is because of improper parameter validation of StartNeoRS function in ActiveX.

Frequently asked questions

What is CVE-2020-7880?: The vulnerabilty was discovered in ActiveX module related to NeoRS remote support program. This issue allows an remote attacker to download and execute remote file. It is because of improper parameter validation of StartNeoRS function in ActiveX.
How severe is CVE-2020-7880?: CVE-2020-7880 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7880 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7880?: CVE-2020-7880 affects Douzone Neors. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7880?: 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-2020-7880 published?: CVE-2020-7880 was published on 2021-11-30 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36367

Affected products (1)

cpe:2.3:a:douzone:neors:*:*:*:*:*:*:*:*

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