CVE-2022-4333: Hardcoded Credentials in multiple SPRECON-E CPU variants of Sprecher Automation allows an remote attacker to t

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CRITICAL 9.8REMOTEMITIGATEMITIGATEMITIGATE

CVE-2022-4333 is a critical-severity flaw (CVSS 9.8) affecting sprecon-e-p dq6-1 firmware, sprecon-e-p dl6-1 firmware, sprecon-e-p ds6-0 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Hardcoded Credentials in multiple SPRECON-E CPU variants of Sprecher Automation allows an remote attacker to take over the device. These accounts should be deactivated according to Sprecher's hardening guidelines.

Why this priority

Critical severity
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	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-798
Published	2023-06-01
Last modified	2026-06-17

Publisher (CNA): CERT VDE · Vendor: sprecher-automation

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

Am I affected?

Timeline

2023-06-01 06:15 UTCPublished CVE record published
2026-06-17 05:20 UTCUpdated Record last modified

sprecher-automation sprecon-e-p dq6-1 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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.

sprecher-automation sprecon-e-p dl6-1 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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.

sprecher-automation sprecon-e-p ds6-0 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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.

sprecher-automation sprecon-e-c firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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.

sprecher-automation sprecon-e-t3 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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.

sprecher-automation sprecon-e-tc ax-3110 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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-2022-4333?

sprecon-e-p dq6-1 firmware: mitigate or apply the listed mitigation; sprecon-e-p dl6-1 firmware: mitigate or apply the listed mitigation; sprecon-e-p ds6-0 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-4333 being exploited?

CVE-2022-4333 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-2022-4333 affect?

CVE-2022-4333 affects sprecon-e-p dq6-1 firmware, sprecon-e-p dl6-1 firmware, sprecon-e-p ds6-0 firmware. Severity is critical (CVSS 9.8). Hardcoded Credentials in multiple SPRECON-E CPU variants of Sprecher Automation allows an remote attacker to take over the device. These accounts should be deactivated according to Sprecher's hardening guidelines.

How urgent is CVE-2022-4333?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-4332 MEDIUM 6.8 MITIGATE MITIGATE In Sprecher Automation SPRECON-E-C/P/T3 CPU in variant PU244x a vulnerable firmware verification has been iden

References

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