How severe is CVE-2024-33893?

CVE-2024-33893 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-33893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33893?

CVE-2024-33893 affects Hms-networks Ewon Cosy+ Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-33893?

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

Does CVE-2024-33893 have an EU (EUVD) identifier?

Yes. CVE-2024-33893 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31597.

When was CVE-2024-33893 published?

CVE-2024-33893 was published on 2024-08-02 and last updated on 2026-06-17.

CVE-2024-33893

CVE-2024-33893 is a medium-severity vulnerability in Hms-networks Ewon Cosy+ Firmware with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31597
Weakness: CWE-79
Affected product: Hms-networks Ewon Cosy+ Firmware
Published: 2024-08-02
Last modified: 2026-06-17

Description

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to XSS when displaying the logs due to improper input sanitization. This is fixed in version 21.2s10 and 22.1s3.

Frequently asked questions

What is CVE-2024-33893?: Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to XSS when displaying the logs due to improper input sanitization. This is fixed in version 21.2s10 and 22.1s3.
How severe is CVE-2024-33893?: CVE-2024-33893 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-33893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33893?: CVE-2024-33893 affects Hms-networks Ewon Cosy+ Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-33893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-33893 have an EU (EUVD) identifier?: Yes. CVE-2024-33893 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31597.
When was CVE-2024-33893 published?: CVE-2024-33893 was published on 2024-08-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:hms-networks:ewon_cosy\+_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Hms-networks Ewon Cosy+ Firmware

CVE-2024-33897 — Critical (CVSS 9.1): A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another…
CVE-2024-33894 — High (CVSS 8.8): Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below…
CVE-2024-33892 — High (CVSS 7.5): Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below…
CVE-2024-33896 — High (CVSS 7.2): Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection…
CVE-2024-33895 — Medium (CVSS 6.6): Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique key to encrypt the…

All CVEs affecting Hms-networks Ewon Cosy+ 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 →