Nagios XI < 2012R1.6 Auto-Discovery Missing Authorization
Nagios XI versions prior to 2012R1.6 contain an authorization flaw in the Auto-Discovery functionality. Users with read-only roles could directly reach Auto-Discovery endpoints and pages that should require elevated permissions, exposing discovery results and allowing unintended access to discovery operations.
- Published
- Oct 30, 2025
- Updated
- Jun 16, 2026
- EPSS
- 0.7% · 51th percentile
- CWE
- CWE-862
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.7%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · VulnCheck
- 7.2
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| nagios | nagios xi | cpe:2.3:a:nagios:nagios_xi |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- nagios nagios xiup to 2011 inclusive
- nagios nagios xi2012
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.
Nagios XI
- before 2012R1.6affected
Same product
nagios: all recordsOther highest-scoring records for the same primary product.
- CVE-2021-25298Nagios XI version xi-5.7.5 is affected by OS command injection.KEV88Now
- CVE-2019-15949Nagios XI before 5.6.6 allows remote command execution as root.KEV88Now
- CVE-2021-25296Nagios XI version xi-5.7.5 is affected by OS command injection.KEV87Now
- CVE-2021-25297Nagios XI version xi-5.7.5 is affected by OS command injection.KEV82Now
- CVE-2018-15708Snoopy 1.0 in Nagios XI 5.5.6 allows remote unauthenticated attackers to execute arbitrary commands via a crafted HTTP request.66This week
- CVE-2021-37350Nagios XI before version 5.8.5 is vulnerable to SQL injection vulnerability in Bulk Modifications Tool due to improper input sanitisation.63This week
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- James Clawsonfinder
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2023-73170 days apartNagios XI < 2024R1 Web SSH Terminal Missing Access Control37Monitor
- CVE-2024-139940 days apartNagios XI < 2024R1.1.2 Allow Insecure Logins Missing Authorization34Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-862 · Missing AuthorizationCVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.nagios.com/changelog/nagios-xi/
- www.vulncheck.com/advisories/nagios-xi-auto-discovery-missing-authorization
Vendor advisories and official records. Exploit/PoC links are deliberately left out.