CVE-2021-22286
SECURITY – Denial of Service Vulnerabilities in SPIET800 INFI-Net to Ethernet Transfer module and PNI800 S+ Ethernet communication interface module
- Published
- Updated
- Reserved
- Assigned by
- ABB
Description
Improper Input Validation vulnerability in the ABB SPIET800 and PNI800 module allows an attacker to cause the denial of service or make the module unresponsive.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ABBCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 35% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
What to do
Solution: ABB advises all customers to review their installations to determine if they are using an impacted product as listed above. – SPIET800 devices with firmware version A_B or earlier are affected. All the vulnerabilities will be corrected in version A_C or later. – PNI800 devices with firmware version A_B or earlier are affected. All the vulnerabilities will be corrected in version B_0 or later.
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-22286)Record last updated .