CVE-2020-6577: The IT-Recht Kanzlei plugin in Zen Cart 1.5.6c (German edition) allows itrk-api.php rechtstext_language SQL In

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2020-6577 is a critical-severity flaw (CVSS 9.8) affecting it-recht-kanzlei. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The IT-Recht Kanzlei plugin in Zen Cart 1.5.6c (German edition) allows itrk-api.php rechtstext_language SQL Injection.

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	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-03-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: it-recht-kanzlei

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

Am I affected?

Timeline

2021-03-19 04:15 UTCPublished CVE record published
2026-06-17 03:23 UTCUpdated Record last modified

it-recht-kanzlei it-recht-kanzlei DOWNGRADE

Affected: 1.5.6c

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.6c

1. Check installed version

apt-cache policy it-recht-kanzlei || rpm -q it-recht-kanzlei || it-recht-kanzlei --version

2. No fixed release: DOWNGRADE to a release before 1.5.6c (Debian / Ubuntu)

apt-cache madison it-recht-kanzlei sudo apt install it-recht-kanzlei=<VERSION_BEFORE_1.5.6c> sudo apt-mark hold it-recht-kanzlei

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

dnf --showduplicates list it-recht-kanzlei sudo dnf downgrade it-recht-kanzlei-<VERSION_BEFORE_1.5.6c> sudo dnf versionlock add it-recht-kanzlei

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-2020-6577?

it-recht-kanzlei: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-6577 being exploited?

CVE-2020-6577 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-2020-6577 affect?

CVE-2020-6577 affects it-recht-kanzlei. Severity is critical (CVSS 9.8). The IT-Recht Kanzlei plugin in Zen Cart 1.5.6c (German edition) allows itrk-api.php rechtstext_language SQL Injection.

How urgent is CVE-2020-6577?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

← Back to latest CVEs