CVE-2021-44249: Online Motorcycle (Bike) Rental System 1.0 is vulnerable to a Blind Time-Based SQL Injection attack within the

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-44249 is a critical-severity flaw (CVSS 9.8) affecting online motorcycle \(bike\) rental system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Online Motorcycle (Bike) Rental System 1.0 is vulnerable to a Blind Time-Based SQL Injection attack within the login portal. This can lead attackers to remotely dump MySQL database credentials.

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	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-01-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: online motorcycle \(bike\) rental system project

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

Am I affected?

Timeline

2022-01-28 15:15 UTCPublished CVE record published
2026-06-17 04:12 UTCUpdated Record last modified

online motorcycle \(bike\) rental system project online motorcycle \(bike\) rental 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 online-motorcycle-bike-rental-system || rpm -q online-motorcycle-bike-rental-system || online-motorcycle-bike-rental-system --version

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

apt-cache madison online-motorcycle-bike-rental-system sudo apt install online-motorcycle-bike-rental-system=<VERSION_BEFORE_1.0> sudo apt-mark hold online-motorcycle-bike-rental-system

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

dnf --showduplicates list online-motorcycle-bike-rental-system sudo dnf downgrade online-motorcycle-bike-rental-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add online-motorcycle-bike-rental-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-2021-44249?

online motorcycle \(bike\) rental system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-44249 being exploited?

CVE-2021-44249 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-2021-44249 affect?

CVE-2021-44249 affects online motorcycle \(bike\) rental system. Severity is critical (CVSS 9.8). Online Motorcycle (Bike) Rental System 1.0 is vulnerable to a Blind Time-Based SQL Injection attack within the login portal. This can lead attackers to remotely dump MySQL database credentials.

How urgent is CVE-2021-44249?

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

Software pages

MySQL vulnerabilities

Related CVEs

CVE-2023-5585 LOW 2.4 DOWNGRADE A vulnerability was found in SourceCodester Online Motorcycle Rental System 1.0

References

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