CVE-2020-37112: GUnet OpenEclass 1.7.3 contains multiple SQL injection vulnerabilities that allow authenticated attackers to m

Routine

HIGH 7.1DOWNGRADE

CVE-2020-37112 is a high-severity flaw (CVSS 7.1) affecting open eclass platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GUnet OpenEclass 1.7.3 contains multiple SQL injection vulnerabilities that allow authenticated attackers to manipulate database queries through unvalidated parameters. Attackers can exploit the 'month' parameter in the agenda module and other endpoints to extract sensitive database information using error-based or time-based injection techniques.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-02-03
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: gunet

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

Am I affected?

Timeline

2026-02-03 18:16 UTCPublished CVE record published
2026-06-17 03:17 UTCUpdated Record last modified

gunet open eclass platform DOWNGRADE

Affected: 1.7.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7.3

1. Check installed version

apt-cache policy open-eclass-platform || rpm -q open-eclass-platform || open-eclass-platform --version

2. No fixed release: DOWNGRADE to a release before 1.7.3 (Debian / Ubuntu)

apt-cache madison open-eclass-platform sudo apt install open-eclass-platform=<VERSION_BEFORE_1.7.3> sudo apt-mark hold open-eclass-platform

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

dnf --showduplicates list open-eclass-platform sudo dnf downgrade open-eclass-platform-<VERSION_BEFORE_1.7.3> sudo dnf versionlock add open-eclass-platform

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-2020-37112?

open eclass platform: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-37112 being exploited?

CVE-2020-37112 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-2020-37112 affect?

CVE-2020-37112 affects open eclass platform. Severity is high (CVSS 7.1). GUnet OpenEclass 1.7.3 contains multiple SQL injection vulnerabilities that allow authenticated attackers to manipulate database queries through unvalidated parameters. Attackers can exploit the 'month' parameter in the agenda module and ot

How urgent is CVE-2020-37112?

Priority 36/100. High severity; Public exploit reference

Related CVEs

CVE-2026-24774 MEDIUM 4.3 UPGRADE The Open eClass platform (formerly known as GUnet eClass) is a complete course management system
CVE-2026-24773 HIGH 7.5 UPGRADE The Open eClass platform (formerly known as GUnet eClass) is a complete course management system
CVE-2026-24674 MEDIUM 4.7 UPGRADE The Open eClass platform (formerly known as GUnet eClass) is a complete course management system
CVE-2026-24673 MEDIUM 4.3 UPGRADE The Open eClass platform (formerly known as GUnet eClass) is a complete course management system
CVE-2026-24672 HIGH 7.3 UPGRADE The Open eClass platform (formerly known as GUnet eClass) is a complete course management system

References

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