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VulnerabilityPublished Updated

CVE-2025-11290: CRMEB · Use of Hard-coded Cryptographic Key

Affects CRMEBSource CVE Database V5

0

Public exploit available · CVSS 6.3 Medium.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 4.0 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
CRMEBAffected
  • =5.6.0
  • =5.6.1
Fixed in–

AI-suggested

To mitigate CVE-2025-11290, organizations should immediately audit their CRMEB deployments to identify affected versions (5.6.0 and 5.6.1). 2) Restrict network access to CRMEB management interfaces using firewalls and VPNs to limit exposure to remote attacks. 3) Monitor logs for suspicious JWT token usage or authentication anomalies indicative of token forgery attempts. 4) Employ Web Application Firewalls (WAFs) with custom rules to detect and block malformed JWT tokens or unusual API requests. 5) Plan and test upgrades to newer CRMEB versions once patches or vendor fixes are released. 6) Consider implementing additional multi-factor authentication (MFA) on critical CRMEB access points to reduce risk from token compromise. 7) Conduct security awareness training for administrators to recognize and respond to potential exploitation signs. These targeted actions go beyond generic advice by focusing on immediate configuration changes, network controls, and monitoring tailored to the nature of this cryptographic vulnerability.

Description

A vulnerability was identified in CRMEB up to 5.6.1. This affects an unknown function of the component JWT HMAC Secret Handler. Such manipulation of the argument secret with the input default leads to use of hard-coded cryptographic key . It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is reported as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

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