Auth bypass in Schweitzer Engineering Laboratories Sel-451
CVE-2023-34388
An Improper Authentication vulnerability in the Schweitzer Engineering Laboratories SEL-451 could allow a remote unauthenticated attacker to potentially perform session hijacking attack and bypass authentication. See product Instruction Manual Appendix A dated 20230830 for more details.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Schweitzer Engineering Laboratories Sel-451 — versions R315-V0, R316-V0, R317-V0
- Selinc Sel-451
- Selinc Sel-451 Firmware — versions r326-v0, r327-v0
Weakness classification (CWE)
References
- selinc.com/support/security-notifications/external-reports/ (Vendor Advisory)
- www.nozominetworks.com/blog/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-34388?
- CVE-2023-34388 is a medium-severity vulnerability in Schweitzer Engineering Laboratories Sel-451, classified under Improper Authentication. CVSS score: 6.5/10. Published 2023-11-30.
- How severe is CVE-2023-34388?
- Medium severity. CVSS v3 base score is 6.5 out of 10.