CVE-2022-50931: TeamSpeak 3.5.6 contains an insecure file permissions vulnerability that allows local attackers to replace exe

Routine

HIGH 7.8DOWNGRADE

CVE-2022-50931 is a high-severity flaw (CVSS 7.8) affecting teamspeak. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TeamSpeak 3.5.6 contains an insecure file permissions vulnerability that allows local attackers to replace executable files with malicious binaries. Attackers can replace system executables like ts3client_win32.exe with custom files to potentially gain SYSTEM or Administrator-level access.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-732
Published	2026-01-13
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: teamspeak

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

Am I affected?

Timeline

2026-01-13 23:15 UTCPublished CVE record published
2026-06-17 05:24 UTCUpdated Record last modified

teamspeak teamspeak DOWNGRADE

Affected: 3.5.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.5.6 (Debian / Ubuntu)

apt-cache madison teamspeak sudo apt install teamspeak=<VERSION_BEFORE_3.5.6> sudo apt-mark hold teamspeak

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

dnf --showduplicates list teamspeak sudo dnf downgrade teamspeak-<VERSION_BEFORE_3.5.6> sudo dnf versionlock add teamspeak

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-2022-50931?

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

Is CVE-2022-50931 being exploited?

CVE-2022-50931 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-2022-50931 affect?

CVE-2022-50931 affects teamspeak. Severity is high (CVSS 7.8). TeamSpeak 3.5.6 contains an insecure file permissions vulnerability that allows local attackers to replace executable files with malicious binaries. Attackers can replace system executables like ts3client_win32.exe with custom files to pote

How urgent is CVE-2022-50931?

Priority 36/100. High severity; Public exploit reference

References

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