CVE-2020-12046
Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not...
Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not verified upon firmware update. This allows an attacker to replace legitimate firmware files with malicious files.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not verified upon firmware update. This allows an attacker to replace legitimate firmware files with malicious files.
- Record
CVE-2020-12046- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-347
- Updated
- 2026-11-02
CVE List No score
Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not verified upon firmware update. This allows an attacker to replace legitimate firmware files with malicious files.
- Record
CVE-2020-12046- Weakness
- CWE-347
- Updated
- 2026-11-02
EUVDEUVD-2020-4362 No score
Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not verified upon firmware update. This allows an attacker to replace legitimate firmware files with malicious files.
- Record
EUVD-2020-4362- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vxj9-gvcj-83p2 No score
Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not...
Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC’s firmware files’ signatures are not verified upon firmware update. This allows an attacker to replace legitimate firmware files with malicious files.
- Record
GHSA-vxj9-gvcj-83p2- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-12046 is a medium vulnerability (CVSS 5.7) in Opto22 Softpac Project, published May 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. No source names a fixed version.