CVE-2023-45800: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Hanbiro

This month

HIGH 7.5REMOTEUPGRADE

CVE-2023-45800 is a high-severity flaw (CVSS 7.5) affecting groupware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Hanbiro Hanbiro groupware allows Information Elicitation.This issue affects Hanbiro groupware: from V3.8.79 before V3.8.81.1.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-12-13
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: hanbiro

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

Am I affected?

Timeline

2023-12-13 02:15 UTCPublished CVE record published
2026-06-17 06:29 UTCUpdated Record last modified

hanbiro groupware UPGRADE

Affected: >= 3.8.79 and < 3.8.81.1

Fixed in: 3.8.81.1

Safe to downgrade to: a release before 3.8.79

1. Check installed version

apt-cache policy groupware || rpm -q groupware || groupware --version

2. UPGRADE to 3.8.81.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade groupware

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade groupware

Note

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

3. If no update is available yet, DOWNGRADE to a release before 3.8.79 (Debian / Ubuntu)

apt-cache madison groupware sudo apt install groupware=<VERSION_BEFORE_3.8.79> sudo apt-mark hold groupware

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list groupware sudo dnf downgrade groupware-<VERSION_BEFORE_3.8.79> sudo dnf versionlock add groupware

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-2023-45800?

groupware: upgrade to 3.8.81.1. Exact commands for each OS are on this page.

Is CVE-2023-45800 being exploited?

CVE-2023-45800 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-2023-45800 affect?

CVE-2023-45800 affects groupware. Severity is high (CVSS 7.5). Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Hanbiro Hanbiro groupware allows Information Elicitation.This issue affects Hanbiro groupware: from V3.8.79 before V3.8.81.1.

How urgent is CVE-2023-45800?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

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References

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