CVE-2020-28994: A SQL injection vulnerability was discovered in Karenderia Multiple Restaurant System, affecting versions 5.4.

Q: How do I fix CVE-2020-28994?

karenderia multiple restaurant system: upgrade to newer than 5.4.2. Exact commands for each OS are on this page.

Q: Is CVE-2020-28994 being exploited?

CVE-2020-28994 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-28994 affect?

CVE-2020-28994 affects karenderia multiple restaurant system. Severity is critical (CVSS 9.8). A SQL injection vulnerability was discovered in Karenderia Multiple Restaurant System, affecting versions 5.4.2 and below. The vulnerability allows for an unauthenticated attacker to perform various tasks such as modifying and leaking all c

Q: How urgent is CVE-2020-28994?

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

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2020-28994 is a critical-severity flaw (CVSS 9.8) affecting karenderia multiple restaurant system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A SQL injection vulnerability was discovered in Karenderia Multiple Restaurant System, affecting versions 5.4.2 and below. The vulnerability allows for an unauthenticated attacker to perform various tasks such as modifying and leaking all contents of the database.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-89
Published	2020-11-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: karenderia multiple restaurant system project

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

Am I affected?

Timeline

2020-11-24 18:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

karenderia multiple restaurant system project karenderia multiple restaurant system UPGRADE

Affected: <= 5.4.2

Fixed in: newer than 5.4.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy karenderia-multiple-restaurant-system || rpm -q karenderia-multiple-restaurant-system || karenderia-multiple-restaurant-system --version

2. UPGRADE to newer than 5.4.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade karenderia-multiple-restaurant-system

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade karenderia-multiple-restaurant-system

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2020-28994?

karenderia multiple restaurant system: upgrade to newer than 5.4.2. Exact commands for each OS are on this page.

Is CVE-2020-28994 being exploited?

CVE-2020-28994 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-2020-28994 affect?

CVE-2020-28994 affects karenderia multiple restaurant system. Severity is critical (CVSS 9.8). A SQL injection vulnerability was discovered in Karenderia Multiple Restaurant System, affecting versions 5.4.2 and below. The vulnerability allows for an unauthenticated attacker to perform various tasks such as modifying and leaking all c

How urgent is CVE-2020-28994?

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

References

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