CVE-2023-2264: Schweitzer Engineering Laboratories SEL-411L · Improper Input Validation
Affects Schweitzer Engineering Laboratories SEL-411LSource CVE Database V5
Not known to be exploited · CVSS 4.0 Medium.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 30 Nov 2023
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
1. Immediately review and follow any guidance provided in the SEL-411L Instruction Manual Appendix A (20230830) for mitigating this vulnerability. 2. Restrict access to the SEL-411L management interfaces to trusted personnel only and enforce strict network segmentation to limit exposure to local network threats. 3. Implement robust user training and awareness programs focused on recognizing and avoiding phishing and social engineering attempts, as exploitation requires user interaction. 4. Monitor network traffic and device logs for unusual activity that could indicate attempts to exploit this vulnerability. 5. Apply any firmware updates or patches released by Schweitzer Engineering Laboratories as soon as they become available. 6. Consider deploying additional security controls such as multi-factor authentication and strict privilege management to reduce the risk of unauthorized access. 7. Conduct regular security assessments and penetration testing focused on the SEL-411L and related infrastructure to identify and remediate potential weaknesses.
Description
An improper input validation vulnerability in the Schweitzer Engineering Laboratories SEL-411L could allow a malicious actor to manipulate authorized users to click on a link that could allow undesired behavior. See product Instruction Manual Appendix A dated 20230830 for more details.