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CVE-2024-33896VulnerabilityPublished Updated

CVE-2024-33896: n/a

Source CVE Database V5

0

Not known to be exploited · public exploit available (Exploit-DB) · CVSS 7.2 High · fixed in 21.2 : patch affected systems as a priority.

Data as of 26 Oct 2026, 07:57 UTC

CVSS 3.1 base score
7.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
4.0% chance of exploitation in 30 days – higher than 90% 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:H/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 2 Aug 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

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

    Not in CISA KEV and no source reports exploitation

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

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by mitre

    , 96 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. First Exploit-DB entry (opens in a new tab)

    Cosy+ firmware 21.2s7 - Command Injection

    , 251 days after disclosure

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 2026-10-26.

What to do

AI-suggested

1. Immediately upgrade all Cosy+ devices to firmware versions 21.2s10 or 22.1s3 or later to apply the official patch addressing the vulnerability. 2. Restrict administrative and privileged access to Cosy+ devices by implementing strong network segmentation and access control lists (ACLs) to limit exposure to trusted IP addresses and networks only. 3. Employ multi-factor authentication (MFA) for all administrative access to reduce the risk of credential compromise leading to exploitation. 4. Monitor device logs and network traffic for unusual commands or activities indicative of code injection attempts or unauthorized access. 5. Conduct regular vulnerability assessments and penetration testing focused on operational technology (OT) environments to identify and remediate similar weaknesses. 6. Establish an incident response plan specific to industrial control systems that includes procedures for isolating affected devices and restoring secure operations. 7. Educate staff responsible for device management about the importance of timely patching and secure configuration practices. 8. If immediate patching is not feasible, consider temporary compensating controls such as disabling remote management interfaces or placing devices behind VPNs with strict access policies.

Description

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.

References

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