CVE-2021-45435: An SQL Injection vulnerability exists in Sourcecodester Simple Cold Storage Management System using PHP/OOP 1.

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-45435 is a critical-severity flaw (CVSS 9.8) affecting simple cold storage management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An SQL Injection vulnerability exists in Sourcecodester Simple Cold Storage Management System using PHP/OOP 1.0 via the username field in login.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	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-01-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: oretnom23

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 04:13 UTCUpdated Record last modified

oretnom23 simple cold storage management 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 simple-cold-storage-management-system || rpm -q simple-cold-storage-management-system || simple-cold-storage-management-system --version

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

apt-cache madison simple-cold-storage-management-system sudo apt install simple-cold-storage-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold simple-cold-storage-management-system

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

dnf --showduplicates list simple-cold-storage-management-system sudo dnf downgrade simple-cold-storage-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add simple-cold-storage-management-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-2021-45435?

simple cold storage management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-45435 being exploited?

CVE-2021-45435 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-2021-45435 affect?

CVE-2021-45435 affects simple cold storage management system. Severity is critical (CVSS 9.8). An SQL Injection vulnerability exists in Sourcecodester Simple Cold Storage Management System using PHP/OOP 1.0 via the username field in login.php.

How urgent is CVE-2021-45435?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-42250 HIGH 7.2 DOWNGRADE Simple Cold Storage Management System v1.0 is vulnerable to SQL injection via /csms/admin/inquiries/view_detai
CVE-2022-42249 HIGH 7.2 DOWNGRADE Simple Cold Storage Management System v1.0 is vulnerable to SQL injection via /csms/admin/storages/view_storag
CVE-2022-42243 HIGH 7.2 DOWNGRADE Simple Cold Storage Management System v1.0 is vulnerable to SQL injection via /csms/admin/storages/manage_stor
CVE-2022-42242 HIGH 7.2 DOWNGRADE Simple Cold Storage Management System v1.0 is vulnerable to SQL injection via /csms/classes/Master.php?f=delet
CVE-2022-42241 HIGH 7.2 DOWNGRADE Simple Cold Storage Management System v1.0 is vulnerable to SQL injection via /csms/classes/Master.php?f=delet

References

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