How severe is CVE-2023-42765?

CVE-2023-42765 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-42765 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42765?

CVE-2023-42765 affects Westermo L206-f2g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42765?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-42765 have an EU (EUVD) identifier?

Yes. CVE-2023-42765 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47197.

When was CVE-2023-42765 published?

CVE-2023-42765 was published on 2024-02-06 and last updated on 2026-06-17.

CVE-2023-42765

CVE-2023-42765 is a medium-severity vulnerability in Westermo L206-f2g Firmware with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-47197
Weakness: CWE-79
Affected product: Westermo L206-f2g Firmware
Published: 2024-02-06
Last modified: 2026-06-17

Description

An attacker with access to the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the "username" parameter in the SNMP configuration.

Frequently asked questions

What is CVE-2023-42765?: An attacker with access to the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the "username" parameter in the SNMP configuration.
How severe is CVE-2023-42765?: CVE-2023-42765 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-42765 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42765?: CVE-2023-42765 affects Westermo L206-f2g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42765?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-42765 have an EU (EUVD) identifier?: Yes. CVE-2023-42765 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47197.
When was CVE-2023-42765 published?: CVE-2023-42765 was published on 2024-02-06 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04

Affected products (1)

cpe:2.3:o:westermo:l206-f2g_firmware:4.24:*:*:*:*:*:*:*

More vulnerabilities in Westermo L206-f2g Firmware

CVE-2023-45735 — High (CVSS 8.0): A potential attacker with access to the Westermo Lynx device may be able to execute malicious code that could affect…
CVE-2023-38579 — High (CVSS 8.0): The cross-site request forgery token in the request may be predictable or easily guessable allowing attackers to craft…
CVE-2023-45213 — Medium (CVSS 6.6): A potential attacker with access to the Westermo Lynx device would be able to execute malicious code that could affect…
CVE-2023-40544 — Medium (CVSS 5.7): An attacker with access to the network where the affected devices are located could maliciously actions to obtain, via…
CVE-2023-45227 — Medium (CVSS 5.4): An attacker with access to the web application with vulnerable software could introduce arbitrary JavaScript by…
CVE-2023-45222 — Medium (CVSS 5.4): An attacker with access to the web application that has the vulnerable software could introduce arbitrary JavaScript by…

All CVEs affecting Westermo L206-f2g Firmware →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →