CVE-2023-3103: Authentication bypass vulnerability, the exploitation of which could allow a local attacker to perform a Man-i

This month

HIGH 8.0MITIGATE

CVE-2023-3103 is a high-severity flaw (CVSS 8.0) affecting a1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Authentication bypass vulnerability, the exploitation of which could allow a local attacker to perform a Man-in-the-Middle (MITM) attack on the robot's camera video stream. In addition, if a MITM attack is carried out, it is possible to consume the robot's resources, which could lead to a denial-of-service (DOS) condition.

Why this priority

High severity

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

Risk facts

CVSS score	8.0 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-290
Published	2023-11-22
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: unitree

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

Am I affected?

Timeline

2023-11-22 12:15 UTCPublished CVE record published
2026-06-17 06:13 UTCUpdated Record last modified

unitree a1 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

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-2023-3103?

a1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-3103 being exploited?

CVE-2023-3103 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-2023-3103 affect?

CVE-2023-3103 affects a1 firmware. Severity is high (CVSS 8.0). Authentication bypass vulnerability, the exploitation of which could allow a local attacker to perform a Man-in-the-Middle (MITM) attack on the robot's camera video stream. In addition, if a MITM attack is carried out, it is possible to con

How urgent is CVE-2023-3103?

Priority 40/100. High severity

Related CVEs

CVE-2023-3104 MEDIUM 5.7 MITIGATE Lack of authentication vulnerability
CVE-2021-42852 HIGH 8.0 UPGRADE UPGRADE A command injection vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow
CVE-2021-42851 MEDIUM 6.3 UPGRADE UPGRADE A vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an unauthenticated
CVE-2021-42850 HIGH 8.8 UPGRADE UPGRADE A weak default administrator password for the web interface and serial port was reported in some Lenovo Person
CVE-2021-42849 MEDIUM 6.8 UPGRADE UPGRADE A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that co

References

← Back to latest CVEs