CVE-2023-45213: A potential attacker with access to the Westermo Lynx device would be able to execute malicious code th

Routine

MEDIUM 6.6MITIGATE

CVE-2023-45213 is a medium-severity flaw (CVSS 6.6) affecting l206-f2g firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A potential attacker with access to the Westermo Lynx device would be able to execute malicious code that could affect the correct functioning of the device.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-942, CWE-697
Published	2024-02-06
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: westermo

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

Am I affected?

Timeline

2024-02-06 22:16 UTCPublished CVE record published
2026-06-17 06:28 UTCUpdated Record last modified

westermo l206-f2g firmware MITIGATE

Affected: 4.24

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.24

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-2023-45213?

l206-f2g firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-45213 being exploited?

CVE-2023-45213 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-2023-45213 affect?

CVE-2023-45213 affects l206-f2g firmware. Severity is medium (CVSS 6.6). A potential attacker with access to the Westermo Lynx device would be able to execute malicious code that could affect the correct functioning of the device.

How urgent is CVE-2023-45213?

Priority 31/100. No elevated risk signals yet.

Related CVEs

CVE-2023-45735 HIGH 8.0 MITIGATE A potential attacker with access to the Westermo Lynx device may be able to execute malicious code that c
CVE-2023-45227 MEDIUM 5.4 MITIGATE An attacker with access to the web application with vulnerable software could introduce arbitra
CVE-2023-45222 MEDIUM 5.4 MITIGATE An attacker with access to the web application that has the vulnerable software could introduce arbitrary J
CVE-2023-42765 MEDIUM 5.4 MITIGATE An attacker with access to the vulnerable software could introduce arbitrary JavaScript by injecting
CVE-2023-40544 MEDIUM 5.7 MITIGATE An attacker with access to the network where the affected devices are located could maliciously act

References

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