9.4

CVE-2023-7317: Nagios XI < 2024R1 Web SSH Terminal Missing Access Control

Analyzed
Published 30-10-2025Last modified 14-05-2026

Vulnerability summary

CVE-2023-7317 is a critical (CVSS 9.4) Missing Authorization vulnerability in nagios nagios_xi. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.4/10
010
Critical · v4.0 (CVE.org)
EPSS score
1.66%
0%100%
Low · +0.11 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 30-10-2025
    PublishedVulnerability first disclosed.
  2. 14-05-2026
    Last modifiedVulnerability information updated.

Description

Nagios XI versions prior to 2024R1 contain a missing access control vulnerability via the Web SSH Terminal. A remote, low-privileged attacker could access or interact with the terminal interface without sufficient authorization, potentially allowing unauthorized command execution or disclosure of sensitive information.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.66%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

Increase +0.11 pp

From 1.55% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Nagios2 products

1 vendor · 2 products

References

3 links