CVE-2020-14500
IMPROPER NEUTRALIZATION OF NULL BYTE OR NUL CHARACTER CWE-158
Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IMPROPER NEUTRALIZATION OF NULL BYTE OR NUL CHARACTER CWE-158
Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
- Record
CVE-2020-14500- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-158
- Updated
- 2026-11-02
EUVDEUVD-2020-6636
Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
- Record
EUVD-2020-6636- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q46g-g86v-m5qx No score
Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and...
Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
- Record
GHSA-q46g-g86v-m5qx- Updated
- 2026-11-02
NVD
Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
- Record
CVE-2020-14500- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-158, CWE-476
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-14500 is a critical vulnerability (CVSS 10.0) in Secomea Gatemanager All Versions Prior To 9.2c Gatemanager All Versions Prior To 9.2c, published August 25, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 76th percentile. No source names a fixed version.