CRMEB JWT HMAC Secret hard-coded key
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | CRMEB | 5.6.0; 5.6.1 | — | No fix listed | CNA |
- CRMEB Vendor— Affected 5.6.0; 5.6.1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:crmeb:crmeb:*:*:*:*:*:*:*:* | up to 5.6.1 | Vulnerable | Zhong Bang |
- cpe:2.3:a:crmeb:crmeb:*:*:*:*:*:*:*:* Versions up to 5.6.1 Vulnerable ·Zhong Bang
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11290
- 2026-10-03 Alias added: GHSA-4mrh-386v-3qq4
References
—
More Zhong Bang Crmeb vulnerabilities
- TI-2024-34066 CRMEB <=5.4.0 is vulnerable to Incorrect Access Control. CVSS 3.1HIGH 7.5
- TI-2026-01417 Zhong Bang CRMEB crontab Endpoint CrontabController.php authorization CVSS 4.0MEDIUM 6.9
- TI-2026-00929 CRMEB LoginController.php appleLogin improper authentication CVSS 4.0MEDIUM 6.9
- TI-2024-24421 SQL Injection vulnerability in CRMEB v.5.2.2 allows a remote attacker to obtain sensitive… CVSS 3.1HIGH 7.5
- TI-2023-01103 Zhong Bang CRMEB Java list sql injection CVSS 3.1HIGH 7.2
- TI-2026-00930 CRMEB JSON Token LoginServices.php remoteRegister improper authentication CVSS 4.0MEDIUM 6.3
Sources
- CVE-2025-11290 · CVE Program
- CVE-2025-11290 · NVD
- FIRST EPSS
- GHSA-4mrh-386v-3qq4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences