CVE-2022-44236: Beijing Zed-3 Technologies Co.,Ltd VoIP simpliclty ASG 8.5.0.17807 (20181130-16:12) has a Weak password vulner

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-44236 is a critical-severity flaw (CVSS 9.8) affecting voip simplicity asg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Beijing Zed-3 Technologies Co.,Ltd VoIP simpliclty ASG 8.5.0.17807 (20181130-16:12) has a Weak password vulnerability.

Why this priority

Critical 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 score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-521
Published	2022-12-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: zed-3

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

Am I affected?

Timeline

2022-12-15 19:15 UTCPublished CVE record published
2026-06-17 05:07 UTCUpdated Record last modified

zed-3 voip simplicity asg DOWNGRADE

Affected: 8.5.0.17807

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.5.0.17807

1. Check installed version

apt-cache policy voip-simplicity-asg || rpm -q voip-simplicity-asg || voip-simplicity-asg --version

2. No fixed release: DOWNGRADE to a release before 8.5.0.17807 (Debian / Ubuntu)

apt-cache madison voip-simplicity-asg sudo apt install voip-simplicity-asg=<VERSION_BEFORE_8.5.0.17807> sudo apt-mark hold voip-simplicity-asg

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

dnf --showduplicates list voip-simplicity-asg sudo dnf downgrade voip-simplicity-asg-<VERSION_BEFORE_8.5.0.17807> sudo dnf versionlock add voip-simplicity-asg

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-2022-44236?

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

Is CVE-2022-44236 being exploited?

CVE-2022-44236 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-2022-44236 affect?

CVE-2022-44236 affects voip simplicity asg. Severity is critical (CVSS 9.8). Beijing Zed-3 Technologies Co.,Ltd VoIP simpliclty ASG 8.5.0.17807 (20181130-16:12) has a Weak password vulnerability.

How urgent is CVE-2022-44236?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-44235 MEDIUM 6.1 DOWNGRADE Beijing Zed-3 Technologies Co.,Ltd VoIP simpliclty ASG 8.5.0.17807 (20181130-16:12) is vulnerable to Cross Sit

References

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