CVE-2024-33892
CVE-2024-33892 is a high-severity vulnerability in Hms-networks Ewon Cosy+ Firmware with a CVSS 3.x base score of 7.5. 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-312.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-31596
- Weakness: CWE-312
- Affected product: Hms-networks Ewon Cosy+ Firmware
- Published:
- Last modified:
Description
Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are susceptible to leaking information through cookies. This is fixed in version 21.2s10 and 22.1s3
Frequently asked questions
- What is CVE-2024-33892?
- Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are susceptible to leaking information through cookies. This is fixed in version 21.2s10 and 22.1s3
- How severe is CVE-2024-33892?
- CVE-2024-33892 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2024-33892 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-33892?
- CVE-2024-33892 affects Hms-networks Ewon Cosy+ Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-33892?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-33892 have an EU (EUVD) identifier?
- Yes. CVE-2024-33892 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31596.
- When was CVE-2024-33892 published?
- CVE-2024-33892 was published on 2024-08-02 and last updated on 2026-06-17.
References
- https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/
- https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2024-07-29-001--ewon-several-cosy--vulnerabilities.pdf
- https://www.ewon.biz/products/cosy/ewon-cosy-wifi
- https://www.hms-networks.com/cyber-security
- http://seclists.org/fulldisclosure/2024/Aug/20
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-2024-33896 — 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…
- CVE-2024-33893 — Medium (CVSS 6.1): Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to XSS when…
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