CVE-2023-34390

Improper input validation could lead to denial of service

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una vulnerabilidad de validación de entrada en Schweitzer Engineering Laboratories SEL-451 podría permitir que un atacante autenticado remoto cree una denegación de servicio contra el sistema y bloquee los servicios. Consulte el Apéndice A del Manual de instrucciones del producto con fecha 20230830 para obtener más detalles.

*Credits: Andrea Palanca and Gabriele Quagliarella of Nozomi Networks

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-06-02 CVE Reserved
2023-11-30 CVE Published
2024-08-02 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

CAPEC-25: Forced Deadlock
CAPEC-469: HTTP DoS

References (2)

URL	Tag	Source
https://www.nozominetworks.com/blog	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://selinc.com/support/security-notifications/external-reports	2023-12-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r315-v0 < r315-v4 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r315-v0 < r315-v4"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r316-v0 < r316-v4 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r316-v0 < r316-v4"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r317-v0 < r317-v4 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r317-v0 < r317-v4"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r318-v0 < r318-v5 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r318-v0 < r318-v5"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r320-v0 < r320-v3 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r320-v0 < r320-v3"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r321-v0 < r321-v3 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r321-v0 < r321-v3"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r322-v0 < r322-v3 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r322-v0 < r322-v3"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r323-v0 < r323-v5 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r323-v0 < r323-v5"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r324-v0 < r324-v4 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r324-v0 < r324-v4"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	>= r325-v0 < r325-v3 Search vendor "Selinc" for product "Sel-451 Firmware" and version " >= r325-v0 < r325-v3"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	r326-v0 Search vendor "Selinc" for product "Sel-451 Firmware" and version "r326-v0"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe
Selinc Search vendor "Selinc"	Sel-451 Firmware Search vendor "Selinc" for product "Sel-451 Firmware"	r327-v0 Search vendor "Selinc" for product "Sel-451 Firmware" and version "r327-v0"	-	Affected	in	Selinc Search vendor "Selinc"	Sel-451 Search vendor "Selinc" for product "Sel-451"	-	-	Safe