CVE-2024-28421: SQL Injection vulnerability in Razor 0.8.0 allows a remote attacker to escalate privileges via the ChannelMode

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-28421 is a critical-severity flaw (CVSS 9.8) affecting razor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL Injection vulnerability in Razor 0.8.0 allows a remote attacker to escalate privileges via the ChannelModel::updateapk method of the channelmodle.php

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	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-89
Published	2024-03-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cobub

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

Am I affected?

Timeline

2024-03-25 23:15 UTCPublished CVE record published
2026-06-17 07:21 UTCUpdated Record last modified

cobub razor DOWNGRADE

Affected: 0.8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.8.0 (Debian / Ubuntu)

apt-cache madison razor sudo apt install razor=<VERSION_BEFORE_0.8.0> sudo apt-mark hold razor

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

dnf --showduplicates list razor sudo dnf downgrade razor-<VERSION_BEFORE_0.8.0> sudo dnf versionlock add razor

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-2024-28421?

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

Is CVE-2024-28421 being exploited?

CVE-2024-28421 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-2024-28421 affect?

CVE-2024-28421 affects razor. Severity is critical (CVSS 9.8). SQL Injection vulnerability in Razor 0.8.0 allows a remote attacker to escalate privileges via the ChannelModel::updateapk method of the channelmodle.php

How urgent is CVE-2024-28421?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

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