CVE-2018-19548: index.php?r=site%2Flogin in EduSec through 4.2.6 does not restrict sending a series of LoginForm[username] and

Q: How do I fix CVE-2018-19548?

edusec: upgrade to newer than 4.2.6. Exact commands for each OS are on this page.

Q: Is CVE-2018-19548 being exploited?

CVE-2018-19548 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-19548 affect?

CVE-2018-19548 affects edusec. Severity is critical (CVSS 9.8). index.php?r=site%2Flogin in EduSec through 4.2.6 does not restrict sending a series of LoginForm[username] and LoginForm[password] parameters, which might make it easier for remote attackers to obtain access via a brute-force approach.

Q: How urgent is CVE-2018-19548?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-19548 is a critical-severity flaw (CVSS 9.8) affecting edusec. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

index.php?r=site%2Flogin in EduSec through 4.2.6 does not restrict sending a series of LoginForm[username] and LoginForm[password] parameters, which might make it easier for remote attackers to obtain access via a brute-force approach.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-307
Published	2018-11-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: rudrasoftech

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

Am I affected?

Timeline

2018-11-26 07:29 UTCPublished CVE record published
2026-06-17 01:49 UTCUpdated Record last modified

rudrasoftech edusec UPGRADE

Affected: <= 4.2.6

Fixed in: newer than 4.2.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy edusec || rpm -q edusec || edusec --version

2. UPGRADE to newer than 4.2.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade edusec

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade edusec

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2018-19548?

edusec: upgrade to newer than 4.2.6. Exact commands for each OS are on this page.

Is CVE-2018-19548 being exploited?

CVE-2018-19548 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-2018-19548 affect?

CVE-2018-19548 affects edusec. Severity is critical (CVSS 9.8). index.php?r=site%2Flogin in EduSec through 4.2.6 does not restrict sending a series of LoginForm[username] and LoginForm[password] parameters, which might make it easier for remote attackers to obtain access via a brute-force approach.

How urgent is CVE-2018-19548?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

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References

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