Improper neutralizataion of input could lead to execution of arbitrary code

published 2023-11-30 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35493

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in the Schweitzer Engineering Laboratories SEL-451 could allow an attacker to craft a link that could execute arbitrary code on a victim's system.

See product Instruction Manual Appendix A dated 20230830 for more details.

Patch / fix

fixed in 1

Schweitzer Engineering Laboratories SEL-451 R315-V4, R316-V4, R317-V4, R318-V5, R320-V3, R321-V3, R322-V3, R323-V5, R324-V4, R325-V3, R326-V1, R327-V1

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Schweitzer Engineering Laboratories SEL-451

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

selinc.com /support/security-notifications/external-reports/
vendor-advisory
nozominetworks.com /blog/
third-party-advisory

Sources

CVE List CVE-2023-31177
NVD CVE-2023-31177

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Summary