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

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-41662 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.

The South Gate Inn Online Reservation System v1.0 contains an SQL injection vulnerability that can be chained with a malicious PHP file upload, which is caused by improper file handling in the editImg function. This vulnerability leads to remote code execution.

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	2.1% (top 18%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-06-13
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

2022-06-13 23:15 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-2021-41662?

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

Is CVE-2021-41662 being exploited?

CVE-2021-41662 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-2021-41662 affect?

CVE-2021-41662 affects south gate inn online reservation system. Severity is critical (CVSS 9.8). The South Gate Inn Online Reservation System v1.0 contains an SQL injection vulnerability that can be chained with a malicious PHP file upload, which is caused by improper file handling in the editImg function. This vulnerability leads to r

How urgent is CVE-2021-41662?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2021-41471 CRITICAL 9.8 DOWNGRADE SQL injection vulnerability in Sourcecodester South Gate Inn Online Reservation System v1 by oretnom23, allows

References

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