CVE-2021-44249Public exploitNetwork attack vector

Database credential disclosure via login email SQL injection

Published Jan 28, 2022 · Updated Aug 4, 2024

Blind time-based SQL injection in Online Motorcycle (Bike) Rental System 1.0 allows remote attackers to read database credentials. The login_user action at /classes/Login.php accepts SQL control syntax in the email field and exposes a response-delay oracle. No authentication or valid session is required, and repeated timed requests can extract user and client usernames and passwords one character at a time.

CVSS severity9.8
Critical
EPSS probability1.83%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Blind time-based SQL injection in Online Motorcycle (Bike) Rental System 1.0 allows remote attackers to read database credentials. The login_user action at /classes/Login.php accepts SQL control syntax in the email field and exposes a response-delay oracle. No authentication or valid session is required, and repeated timed requests can extract user and client usernames and passwords one character at a time.

The record

CVE
CVE-2021-44249
Published
Jan 28, 2022
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 28, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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