IMPROPER NEUTRALIZATION OF NULL BYTE OR NUL CHARACTER CWE-158
Priority MEDIUM 46CWE-158Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.
Summary
Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
Why it matters now
EPSS 0.01666 76th percentileScored 2026-11-07
Fix Fixed Secomea GateManager all versions prior to 9.2c (Secomea GateManager all versions prior to 9.2c): 9.2c
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Secomea GateManager all versions prior to 9.2c | Secomea GateManager all versions prior to 9.2c | all to before 9.2c | 9.2c | Patch available | CNA |
- Secomea GateManager all versions prior to 9.2c VendorSecomea GateManager all versions prior to 9.2c Affected all to before 9.2c Fixed in 9.2c Patch available CNA
Remediation
- Fix · CNA Secomea GateManager all versions prior to 9.2c (Secomea GateManager all versions prior to 9.2c) Fixed in 9.2c
Timeline
- 2026-10-02 Threatist record created from CVE-2020-14500
- 2026-10-03 Alias added: GHSA-q46g-g86v-m5qx
References
More Secomea Gatemanager 8250 Firmware vulnerabilities
- TI-2020-11361 OFF-BY-ONE ERROR CWE-193 CVSS 3.1CRITICAL 9.8
- TI-2020-11359 OFF-BY-ONE ERROR CWE-193 CVSS 3.1CRITICAL 9.8
- TI-2020-17532 Path traversal in Secomea GateManager CVSS 3.1CRITICAL 9.0
- TI-2022-09350 Unload handlers may unintentionally defeat CSRF guards CVSS 3.1HIGH 8.8
- TI-2020-17538 Add integrity check of GateManager firmware CVSS 3.1HIGH 8.4
- TI-2020-17537 Insecure Direct Object Reference in GateManager WebUI can cause privilege escalation CVSS 3.1HIGH 8.1
Sources
- CVE-2020-14500 · CVE Program
- CVE-2020-14500 · NVD
- FIRST EPSS
- GHSA-q46g-g86v-m5qx · GitHub Advisory Database · CC BY 4.0
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