CVE-2020-16281: The Kommbox component in Rangee GmbH RangeeOS 8.0.4 could allow a local authenticated attacker to escape from

Routine

HIGH 7.8DOWNGRADE

CVE-2020-16281 is a high-severity flaw (CVSS 7.8) affecting rangeeos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Kommbox component in Rangee GmbH RangeeOS 8.0.4 could allow a local authenticated attacker to escape from the restricted environment and execute arbitrary code due to unrestricted context menus being accessible.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-116
Published	2020-08-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: rangee

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

Am I affected?

Timeline

2020-08-20 16:15 UTCPublished CVE record published
2026-06-17 02:57 UTCUpdated Record last modified

rangee rangeeos DOWNGRADE

Affected: 8.0.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.0.4 (Debian / Ubuntu)

apt-cache madison rangeeos sudo apt install rangeeos=<VERSION_BEFORE_8.0.4> sudo apt-mark hold rangeeos

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

dnf --showduplicates list rangeeos sudo dnf downgrade rangeeos-<VERSION_BEFORE_8.0.4> sudo dnf versionlock add rangeeos

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-2020-16281?

rangeeos: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-16281 being exploited?

CVE-2020-16281 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-2020-16281 affect?

CVE-2020-16281 affects rangeeos. Severity is high (CVSS 7.8). The Kommbox component in Rangee GmbH RangeeOS 8.0.4 could allow a local authenticated attacker to escape from the restricted environment and execute arbitrary code due to unrestricted context menus being accessible.

How urgent is CVE-2020-16281?

Priority 34/100. High severity

Related CVEs

CVE-2020-16282 HIGH 8.8 MITIGATE In the default configuration of Rangee GmbH RangeeOS 8.0.4, all components are executed in the context of the
CVE-2020-16280 MEDIUM 5.5 DOWNGRADE Multiple Rangee GmbH RangeeOS 8.0.4 modules store credentials in plaintext including credentials of users for
CVE-2020-16279 CRITICAL 9.8 DOWNGRADE The Kommbox component in Rangee GmbH RangeeOS 8.0.4 is vulnerable to Remote Code Execution due to untrusted us

References

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