CVE-2024-0220: B&R Automation Studio Upgrade Service and B&R Technology Guarding use insufficient cryptography for communicat

Q: How do I fix CVE-2024-0220?

automation studio: upgrade to 4.6; technology guarding: upgrade to 1.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-0220 being exploited?

CVE-2024-0220 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-2024-0220 affect?

CVE-2024-0220 affects automation studio, technology guarding. Severity is high (CVSS 8.3). B&R Automation Studio Upgrade Service and B&R Technology Guarding use insufficient cryptography for communication to the upgrade and the licensing servers. A network-based attacker could exploit the vulnerability to execute arbitrary code o

Routine

HIGH 8.3UPGRADEUPGRADE

CVE-2024-0220 is a high-severity flaw (CVSS 8.3) affecting automation studio, technology guarding. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

B&R Automation Studio Upgrade Service and B&R Technology Guarding use insufficient cryptography for communication to the upgrade and the licensing servers. A network-based attacker could exploit the vulnerability to execute arbitrary code on the products or sniff sensitive data.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-94, CWE-319, CWE-1240
Published	2024-02-22
Last modified	2026-06-17

Publisher (CNA): Asea Brown Boveri Ltd. (ABB) · Vendor: br-automation

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

Am I affected?

Timeline

2024-02-22 11:15 UTCPublished CVE record published
2026-06-17 06:53 UTCUpdated Record last modified

br-automation automation studio UPGRADE

Affected: < 4.6

Fixed in: 4.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy automation-studio || rpm -q automation-studio || automation-studio --version

2. UPGRADE to 4.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade automation-studio

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade automation-studio

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

br-automation technology guarding UPGRADE

Affected: < 1.4.0

Fixed in: 1.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy technology-guarding || rpm -q technology-guarding || technology-guarding --version

2. UPGRADE to 1.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade technology-guarding

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade technology-guarding

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-2024-0220?

automation studio: upgrade to 4.6; technology guarding: upgrade to 1.4.0. Exact commands for each OS are on this page.

Is CVE-2024-0220 being exploited?

CVE-2024-0220 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-2024-0220 affect?

CVE-2024-0220 affects automation studio, technology guarding. Severity is high (CVSS 8.3). B&R Automation Studio Upgrade Service and B&R Technology Guarding use insufficient cryptography for communication to the upgrade and the licensing servers. A network-based attacker could exploit the vulnerability to execute arbitrary code o

How urgent is CVE-2024-0220?

Priority 37/100. High severity

Related CVEs

CVE-2021-22282 HIGH 8.3 UPGRADE Improper Control of Generation of Code ('Code Injection') vulnerability in B&R Industrial Automation Automatio
CVE-2021-22281 MEDIUM 6.3 UPGRADE : Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Tr
CVE-2021-22280 HIGH 7.2 UPGRADE Improper DLL loading algorithms in B&R Automation Studio versions >=4.0 and <4.12 may allow an authenticated l
CVE-2020-24682 HIGH 7.2 UPGRADE UPGRADE Unquoted Search Path or Element vulnerability in B&R Industrial Automation Automation Studio, B&R Industrial A
CVE-2020-24681 HIGH 8.2 UPGRADE Incorrect Permission Assignment for Critical Resource vulnerability in B&R Industrial Automation Automation St

References

← Back to latest CVEs