How severe is CVE-2020-7861?

CVE-2020-7861 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7861?

CVE-2020-7861 affects Anysupport. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7861?

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-2020-7861 published?

CVE-2020-7861 was published on 2021-04-22 and last updated on 2026-06-17.

CVE-2020-7861

CVE-2020-7861 is a high-severity vulnerability in Anysupport with a CVSS 3.x base score of 8.4. 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 8.4)
CVSS v2: 7.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Anysupport
Published: 2021-04-22
Last modified: 2026-06-17

Description

AnySupport (Remote support solution) before 2019.3.21.0 allows directory traversing because of swprintf function to copy file from a management PC to a client PC. This can be lead to arbitrary file execution.

Frequently asked questions

What is CVE-2020-7861?: AnySupport (Remote support solution) before 2019.3.21.0 allows directory traversing because of swprintf function to copy file from a management PC to a client PC. This can be lead to arbitrary file execution.
How severe is CVE-2020-7861?: CVE-2020-7861 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7861?: CVE-2020-7861 affects Anysupport. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7861?: 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-2020-7861 published?: CVE-2020-7861 was published on 2021-04-22 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36016

Affected products (1)

cpe:2.3:a:anysupport:anysupport:*:*:*:*:*:*:*:*

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