CVE-2023-34388
Improper authentication could lead to session hijacking
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper authentication could lead to session hijacking
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.
- Record
CVE-2023-34388- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2023-38468
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.
- Record
EUVD-2023-38468- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-592f-7j4r-r9vv
An Improper Authentication vulnerability in the Schweitzer Engineering Laboratories SEL-451 could...
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.
- Record
GHSA-592f-7j4r-r9vv- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-34388- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - 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 - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-34388 is a medium vulnerability (CVSS 6.5) in Schweitzer Engineering Laboratories Sel-451, published November 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. No source names a fixed version.