CVE-2020-7861: AnySupport (Remote support solution) before 2019.3.21.0 allows directory traversing because of swprintf functi

Q: How do I fix CVE-2020-7861?

anysupport: upgrade to 2019.3.21.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-7861 being exploited?

CVE-2020-7861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-7861 affect?

CVE-2020-7861 affects anysupport. Severity is high (CVSS 8.4). 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.

This month

HIGH 8.4UPGRADE

CVE-2020-7861 is a high-severity flaw (CVSS 8.4) affecting anysupport. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.5% (top 27%)
CISA exploited list	No
Weakness	CWE-23, CWE-22
Published	2021-04-22
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: anysupport

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-04-22 18:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

anysupport anysupport UPGRADE

Affected: < 2019.3.21.0

Fixed in: 2019.3.21.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy anysupport || rpm -q anysupport || anysupport --version

2. UPGRADE to 2019.3.21.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade anysupport

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade anysupport

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-7861?

anysupport: upgrade to 2019.3.21.0. Exact commands for each OS are on this page.

Is CVE-2020-7861 being exploited?

CVE-2020-7861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-7861 affect?

CVE-2020-7861 affects anysupport. Severity is high (CVSS 8.4). 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 urgent is CVE-2020-7861?

Priority 48/100. High severity

References

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