CVE-2021-20075: Racom's MIDGE Firmware 4.4.40.105 contains an issue that allows for privilege escalation via configd.

Routine

HIGH 7.8MITIGATE

CVE-2021-20075 is a high-severity flaw (CVSS 7.8) affecting m\!dge firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Racom's MIDGE Firmware 4.4.40.105 contains an issue that allows for privilege escalation via configd.

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	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-269
Published	2021-02-16
Last modified	2026-06-17

Publisher (CNA): Tenable Network Security, Inc. · Vendor: racom

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

Am I affected?

Timeline

2021-02-16 20:15 UTCPublished CVE record published
2026-06-17 03:33 UTCUpdated Record last modified

racom m\!dge firmware MITIGATE

Affected: 4.4.40.105

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.4.40.105

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2021-20075?

m\!dge firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-20075 being exploited?

CVE-2021-20075 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-2021-20075 affect?

CVE-2021-20075 affects m\!dge firmware. Severity is high (CVSS 7.8). Racom's MIDGE Firmware 4.4.40.105 contains an issue that allows for privilege escalation via configd.

How urgent is CVE-2021-20075?

Priority 31/100. High severity

Related CVEs

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CVE-2021-20073 HIGH 8.8 MITIGATE Racom's MIDGE Firmware 4.4.40.105 contains an issue that allows for cross-site request forgeries.
CVE-2021-20072 HIGH 7.2 MITIGATE Racom's MIDGE Firmware 4.4.40.105 contains an issue that allows attackers to arbitrarily access and delete fil
CVE-2021-20071 MEDIUM 4.8 MITIGATE Racom's MIDGE Firmware 4.4.40.105 contains an issue that allows attackers to conduct cross-site scriptings att
CVE-2021-20070 MEDIUM 4.8 MITIGATE Racom's MIDGE Firmware 4.4.40.105 contains an issue that allows attackers to conduct cross-site scriptings att

References

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