CVE-2021-41471: SQL injection vulnerability in Sourcecodester South Gate Inn Online Reservation System v1 by oretnom23, allows

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-41471 is a critical-severity flaw (CVSS 9.8) affecting south gate inn online reservation system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in Sourcecodester South Gate Inn Online Reservation System v1 by oretnom23, allows attackers to execute arbitrary SQL commands via the email and Password parameters.

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	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-01-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: south gate inn online reservation system project

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

Am I affected?

Timeline

2022-01-24 16:15 UTCPublished CVE record published
2026-06-17 04:08 UTCUpdated Record last modified

south gate inn online reservation system project south gate inn online reservation 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 south-gate-inn-online-reservation-system || rpm -q south-gate-inn-online-reservation-system || south-gate-inn-online-reservation-system --version

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

apt-cache madison south-gate-inn-online-reservation-system sudo apt install south-gate-inn-online-reservation-system=<VERSION_BEFORE_1.0> sudo apt-mark hold south-gate-inn-online-reservation-system

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

dnf --showduplicates list south-gate-inn-online-reservation-system sudo dnf downgrade south-gate-inn-online-reservation-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add south-gate-inn-online-reservation-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-2021-41471?

south gate inn online reservation system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-41471 being exploited?

CVE-2021-41471 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-2021-41471 affect?

CVE-2021-41471 affects south gate inn online reservation system. Severity is critical (CVSS 9.8). SQL injection vulnerability in Sourcecodester South Gate Inn Online Reservation System v1 by oretnom23, allows attackers to execute arbitrary SQL commands via the email and Password parameters.

How urgent is CVE-2021-41471?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-41662 CRITICAL 9.8 DOWNGRADE The South Gate Inn Online Reservation System v1.0 contains an SQL injection vulnerability that can be chained

References

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