CVE-2020-13658: In Lansweeper 8.0.130.17, the web console is vulnerable to a CSRF attack that would allow a low-level Lansweep

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HIGH 8.0DOWNGRADE

CVE-2020-13658 is a high-severity flaw (CVSS 8.0) affecting lansweeper. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Lansweeper 8.0.130.17, the web console is vulnerable to a CSRF attack that would allow a low-level Lansweeper user to elevate their privileges within the application.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.0 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-352
Published	2020-09-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lansweeper

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

Am I affected?

Timeline

2020-09-30 18:15 UTCPublished CVE record published
2026-06-17 02:53 UTCUpdated Record last modified

lansweeper lansweeper DOWNGRADE

Affected: 8.0.130.17

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0.130.17

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.0.130.17 (Debian / Ubuntu)

apt-cache madison lansweeper sudo apt install lansweeper=<VERSION_BEFORE_8.0.130.17> sudo apt-mark hold lansweeper

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list lansweeper sudo dnf downgrade lansweeper-<VERSION_BEFORE_8.0.130.17> sudo dnf versionlock add lansweeper

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2020-13658?

lansweeper: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-13658 being exploited?

CVE-2020-13658 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-2020-13658 affect?

CVE-2020-13658 affects lansweeper. Severity is high (CVSS 8.0). In Lansweeper 8.0.130.17, the web console is vulnerable to a CSRF attack that would allow a low-level Lansweeper user to elevate their privileges within the application.

How urgent is CVE-2020-13658?

Priority 44/100. High severity; Public exploit reference

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References

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