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CVE-2022-50692: SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an insufficient session expiration vulnerability

48
This week
HIGH 7.5REMOTEDOWNGRADEMITIGATEMITIGATE

CVE-2022-50692 is a high-severity flaw (CVSS 7.5) affecting stream extension, wm2 firmware, big voice2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an insufficient session expiration vulnerability that allows attackers to reuse old session credentials. Attackers can exploit weak session management to potentially hijack active user sessions and gain unauthorized access to the application.

Why this priority

  • High severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

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

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.6% (top 52%)
CISA exploited listNo
WeaknessCWE-613
Published2025-12-30
Last modified2026-06-17
Publisher (CNA): VulnCheck · Vendor: sound4

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

sound4 stream extension DOWNGRADE
Affected: 2.4.29
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4.29
1. Check installed version
apt-cache policy stream-extension || rpm -q stream-extension || stream-extension --version
2. No fixed release: DOWNGRADE to a release before 2.4.29 (Debian / Ubuntu)
apt-cache madison stream-extension sudo apt install stream-extension=<VERSION_BEFORE_2.4.29> sudo apt-mark hold stream-extension
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list stream-extension sudo dnf downgrade stream-extension-<VERSION_BEFORE_2.4.29> sudo dnf versionlock add stream-extension
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.
sound4 wm2 firmware MITIGATE
Affected: 1.11
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.11
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 big voice2 firmware MITIGATE
Affected: 1.30
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.30
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 big voice4 firmware MITIGATE
Affected: 1.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 pulse eco firmware MITIGATE
Affected: 1.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.16
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sound4 impact eco firmware MITIGATE
Affected: 1.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.16
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
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-2022-50692?

stream extension: downgrade or apply the listed mitigation; wm2 firmware: mitigate or apply the listed mitigation; big voice2 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-50692 being exploited?

CVE-2022-50692 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-2022-50692 affect?

CVE-2022-50692 affects stream extension, wm2 firmware, big voice2 firmware. Severity is high (CVSS 7.5). SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an insufficient session expiration vulnerability that allows attackers to reuse old session credentials. Attackers can exploit weak session management to potentially hijack active

How urgent is CVE-2022-50692?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

References

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