CVE-2023-0882: Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single

Q: How do I fix CVE-2023-0882?

single connect: upgrade to 2.16.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-0882 being exploited?

CVE-2023-0882 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-2023-0882 affect?

CVE-2023-0882 affects single connect. Severity is high (CVSS 8.8). Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single Connect on Windows allows Privilege Abuse. This issue affects Single Connect: 2.16.

This month

HIGH 8.8UPGRADE

CVE-2023-0882 is a high-severity flaw (CVSS 8.8) affecting single connect. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single Connect on Windows allows Privilege Abuse. This issue affects Single Connect: 2.16.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-639
Published	2023-02-17
Last modified	2026-06-17

Publisher (CNA): Computer Emergency Response Team of the Republic of Turkey · Vendor: krontech

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

Am I affected?

Timeline

2023-02-17 10:15 UTCPublished CVE record published
2026-06-17 05:26 UTCUpdated Record last modified

krontech single connect UPGRADE

Affected: < 2.16.1

Fixed in: 2.16.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy single-connect || rpm -q single-connect || single-connect --version

2. UPGRADE to 2.16.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade single-connect

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade single-connect

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-2023-0882?

single connect: upgrade to 2.16.1. Exact commands for each OS are on this page.

Is CVE-2023-0882 being exploited?

CVE-2023-0882 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-2023-0882 affect?

CVE-2023-0882 affects single connect. Severity is high (CVSS 8.8). Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single Connect on Windows allows Privilege Abuse. This issue affects Single Connect: 2.16.

How urgent is CVE-2023-0882?

Priority 44/100. High severity

Software pages

Windows vulnerabilities

References

← Back to latest CVEs