CVE-2021-26201: The Login Panel of CASAP Automated Enrollment System 1.0 is vulnerable to SQL injection authentication bypass

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-26201 is a critical-severity flaw (CVSS 9.8) affecting casap automated enrollment system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Login Panel of CASAP Automated Enrollment System 1.0 is vulnerable to SQL injection authentication bypass. An attacker can obtain access to the admin panel by injecting a SQL query in the username field of the login page.

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	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-02-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: casap automated enrollment system project

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

Am I affected?

Timeline

2021-02-15 21:15 UTCPublished CVE record published
2026-06-17 03:42 UTCUpdated Record last modified

casap automated enrollment system project casap automated enrollment 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 casap-automated-enrollment-system || rpm -q casap-automated-enrollment-system || casap-automated-enrollment-system --version

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

apt-cache madison casap-automated-enrollment-system sudo apt install casap-automated-enrollment-system=<VERSION_BEFORE_1.0> sudo apt-mark hold casap-automated-enrollment-system

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

dnf --showduplicates list casap-automated-enrollment-system sudo dnf downgrade casap-automated-enrollment-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add casap-automated-enrollment-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.

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-2021-26201?

casap automated enrollment system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-26201 being exploited?

CVE-2021-26201 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-2021-26201 affect?

CVE-2021-26201 affects casap automated enrollment system. Severity is critical (CVSS 9.8). The Login Panel of CASAP Automated Enrollment System 1.0 is vulnerable to SQL injection authentication bypass. An attacker can obtain access to the admin panel by injecting a SQL query in the username field of the login page.

How urgent is CVE-2021-26201?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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