CVE-2023-34388

CRITICALCVSS 9.8/10EPSS 0.91%

Last modified

CVE-2023-34388 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. . EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.91%

55.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SelincSel-451 Firmware>= r315-v0, < r315-v4
SelincSel-451 Firmware>= r316-v0, < r316-v4
SelincSel-451 Firmware>= r317-v0, < r317-v4
SelincSel-451 Firmware>= r318-v0, < r318-v5
SelincSel-451 Firmware>= r320-v0, < r320-v3
SelincSel-451 Firmware>= r321-v0, < r321-v3
SelincSel-451 Firmware>= r322-v0, < r322-v3
SelincSel-451 Firmware>= r323-v0, < r323-v5
SelincSel-451 Firmware>= r324-v0, < r324-v4
SelincSel-451 Firmware>= r325-v0, < r325-v3
SelincSel-451 Firmwarer326-v0
SelincSel-451 Firmwarer327-v0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2023-34388?
CVE-2023-34388 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.
How do I fix CVE-2023-34388?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34388?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST