CVE-2018-18803: Curriculum Evaluation System 1.0 allows SQL Injection via the login screen, related to frmCourse.vb and includ

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-18803 is a critical-severity flaw (CVSS 9.8) affecting curriculum evaluation system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Curriculum Evaluation System 1.0 allows SQL Injection via the login screen, related to frmCourse.vb and includes/user.vb.

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	3.2% (top 12%)
CISA exploited list	No
Weakness	CWE-89
Published	2018-11-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: curriculum evaluation system project

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

Am I affected?

Timeline

2018-11-16 18:29 UTCPublished CVE record published
2026-06-17 01:47 UTCUpdated Record last modified

curriculum evaluation system project curriculum evaluation system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy curriculum-evaluation-system || rpm -q curriculum-evaluation-system || curriculum-evaluation-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison curriculum-evaluation-system sudo apt install curriculum-evaluation-system=<VERSION_BEFORE_1.0> sudo apt-mark hold curriculum-evaluation-system

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

dnf --showduplicates list curriculum-evaluation-system sudo dnf downgrade curriculum-evaluation-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add curriculum-evaluation-system

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Curriculum Evaluation System 1.0 - SQL Injection

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-2018-18803?

curriculum evaluation system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-18803 being exploited?

CVE-2018-18803 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-2018-18803 affect?

CVE-2018-18803 affects curriculum evaluation system. Severity is critical (CVSS 9.8). Curriculum Evaluation System 1.0 allows SQL Injection via the login screen, related to frmCourse.vb and includes/user.vb.

How urgent is CVE-2018-18803?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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