CVE-2020-8101: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in HTTP inte

Q: How do I fix CVE-2020-8101?

lifeshield diy hd video doorbell firmware: upgrade to newer than 1.0.02r09. Exact commands for each OS are on this page.

Q: Is CVE-2020-8101 being exploited?

CVE-2020-8101 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-2020-8101 affect?

CVE-2020-8101 affects lifeshield diy hd video doorbell firmware. Severity is medium (CVSS 6.9). Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in HTTP interface of ADT LifeShield DIY HD Video Doorbell allows an attacker on the same network to execute commands on the device. This issue

Q: How urgent is CVE-2020-8101?

Priority 41/100. No elevated risk signals yet.

This month

MEDIUM 6.9UPGRADE

CVE-2020-8101 is a medium-severity flaw (CVSS 6.9) affecting lifeshield diy hd video doorbell firmware. 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 a Command ('Command Injection') vulnerability in HTTP interface of ADT LifeShield DIY HD Video Doorbell allows an attacker on the same network to execute commands on the device. This issue affects: ADT LifeShield DIY HD Video Doorbell version 1.0.02R09 and prior versions.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.9 (Medium)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-77
Published	2021-02-02
Last modified	2026-06-17

Publisher (CNA): Bitdefender · Vendor: adt

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

Am I affected?

Timeline

2021-02-02 11:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

adt lifeshield diy hd video doorbell firmware UPGRADE

Affected: <= 1.0.02r09

Fixed in: newer than 1.0.02r09

Safe to downgrade to: no unaffected older release

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-2020-8101?

lifeshield diy hd video doorbell firmware: upgrade to newer than 1.0.02r09. Exact commands for each OS are on this page.

Is CVE-2020-8101 being exploited?

CVE-2020-8101 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-2020-8101 affect?

CVE-2020-8101 affects lifeshield diy hd video doorbell firmware. Severity is medium (CVSS 6.9). Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in HTTP interface of ADT LifeShield DIY HD Video Doorbell allows an attacker on the same network to execute commands on the device. This issue

How urgent is CVE-2020-8101?

Priority 41/100. No elevated risk signals yet.

References

← Back to latest CVEs