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CVE-2024-33893VulnerabilityPublished Updated

CVE-2024-33893: n/a

Source CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium · fixed in 21.2 : update affected systems when convenient.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 53% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 21.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Aug 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

European organizations should immediately verify the firmware versions of all deployed Cosy+ devices and upgrade any running versions below 21.2s10 or 22.1s3 to the fixed releases. Network segmentation should be enforced to limit access to device management interfaces, restricting them to trusted internal networks or VPNs. Implement strict input validation and sanitization on any custom interfaces interacting with these devices if applicable. Monitor logs for unusual activity that could indicate attempted XSS exploitation or unauthorized access. Educate users and administrators about the risks of interacting with suspicious log entries or links that could trigger the XSS. Employ web application firewalls (WAFs) where possible to detect and block malicious script injections targeting device interfaces. Regularly audit and update device firmware as part of a robust patch management process. Finally, consider deploying endpoint detection and response (EDR) solutions to identify lateral movement attempts following initial exploitation.

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.

References

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