CVE-2022-33202: Authentication bypass vulnerability in the setup screen of L2Blocker(on-premise) Ver4.8.5 and earlier and L2Bl

Q: How do I fix CVE-2022-33202?

l2blocker: upgrade to 4.8.6. Exact commands for each OS are on this page.

Q: Is CVE-2022-33202 being exploited?

CVE-2022-33202 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-2022-33202 affect?

CVE-2022-33202 affects l2blocker. Severity is high (CVSS 8.1). Authentication bypass vulnerability in the setup screen of L2Blocker(on-premise) Ver4.8.5 and earlier and L2Blocker(Cloud) Ver4.8.5 and earlier allows an adjacent attacker to perform an unauthorized login and obtain the stored information o

Routine

HIGH 8.1UPGRADE

CVE-2022-33202 is a high-severity flaw (CVSS 8.1) affecting l2blocker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Authentication bypass vulnerability in the setup screen of L2Blocker(on-premise) Ver4.8.5 and earlier and L2Blocker(Cloud) Ver4.8.5 and earlier allows an adjacent attacker to perform an unauthorized login and obtain the stored information or cause a malfunction of the device by using alternative paths or channels for Sensor.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-287
Published	2022-06-27
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: softcreate

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

Am I affected?

Timeline

2022-06-27 01:15 UTCPublished CVE record published
2026-06-17 04:48 UTCUpdated Record last modified

softcreate l2blocker UPGRADE

Affected: < 4.8.6

Fixed in: 4.8.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy l2blocker || rpm -q l2blocker || l2blocker --version

2. UPGRADE to 4.8.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade l2blocker

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade l2blocker

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-2022-33202?

l2blocker: upgrade to 4.8.6. Exact commands for each OS are on this page.

Is CVE-2022-33202 being exploited?

CVE-2022-33202 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-2022-33202 affect?

CVE-2022-33202 affects l2blocker. Severity is high (CVSS 8.1). Authentication bypass vulnerability in the setup screen of L2Blocker(on-premise) Ver4.8.5 and earlier and L2Blocker(Cloud) Ver4.8.5 and earlier allows an adjacent attacker to perform an unauthorized login and obtain the stored information o

How urgent is CVE-2022-33202?

Priority 37/100. High severity

References

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