CVE-2023-34390
Improper input validation could lead to denial of service
- Published
- Updated
- Reserved
- Assigned by
- SEL
Description
An input validation vulnerability in the Schweitzer Engineering Laboratories SEL-451 could allow a remote authenticated attacker to create a denial of service against the system and locking out services. See product Instruction Manual Appendix A dated 20230830 for more details.
Timeline
ID reserved
By SEL
- 6 months later
· 6 months later
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| SELCNA (assigner) | 3.1 | Medium4.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.66% · top 48% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.5.
Weakness
Affected products
Schweitzer Engineering Laboratories · SEL-451
- affected R315-V0 – < R315-V4
- affected R316-V0 – < R316-V4
- affected R317-V0 – < R317-V4
- affected R318-V0 – < R318-V5
- affected R320-V0 – < R320-V3
- affected R321-V0 – < R321-V3
- affected R322-V0 – < R322-V3
- affected R323-V0 – < R323-V5
- affected R324-V0 – < R324-V4
- affected R325-V0 – < R325-V3
- affected R326-V0 – < R326-V1
- affected R327-V0 – < R327-V1
References (2)
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-2023-34390)Record last updated .