Security readout for executives and security teams
Plain-English summary
CVE-2018-8734 is a SQL injection flaw in Nagios XI’s Core Config Manager. A crafted selInfoKey1 value can let an attacker run arbitrary SQL against the application database. The affected range is Nagios XI 5.2.x through 5.4.x before 5.4.13.
Executive priority
Treat this as a high-priority legacy Nagios XI remediation item. The issue affects monitoring infrastructure, has public exploit references, and may allow database manipulation. Prioritize upgrade or retirement of affected versions.
Technical view
The CVE record describes SQL injection in Core Config Manager via selInfoKey1, affecting Nagios XI 5.2.x to 5.4.x before 5.4.13. Public references include Exploit-DB entries and researcher write-ups, but the provided bundle does not establish active exploitation or authentication requirements.
Likely exposure
Exposure is likely limited to organizations running Nagios XI 5.2.x through 5.4.x before 5.4.13, especially where the Nagios XI web interface is reachable by users or networks beyond a tightly controlled admin group.
Exploitation context
The bundle cites public exploit references, so defenders should assume exploitation knowledge is publicly available. However, KEV is false and the supplied sources do not prove active exploitation in the wild.
Researcher notes
Key unknowns remain in the supplied bundle: CVSS score, CWE, authentication context, and confirmed in-the-wild exploitation. Analysis should stay anchored to the CVE description, version range, vendor change history, and public exploit references.
Mitigation direction
- Upgrade Nagios XI to 5.4.13 or later per vendor change history.
- Restrict Nagios XI web access to trusted administration networks.
- Review vendor guidance and changelog notes before applying changes.
- Rotate database or application credentials if compromise is suspected.
Validation and detection
- Inventory Nagios XI instances and record exact versions.
- Confirm no instance runs 5.2.x through 5.4.x before 5.4.13.
- Review web and application logs for unusual Core Config Manager activity.
- Check whether Nagios XI is exposed outside trusted admin networks.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Database behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-8734 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0fCVE reference · x_refsource_MISC
- 44560CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://www.nagios.com/downloads/nagios-xi/change-log/CVE reference · x_refsource_MISC
- https://blog.redactedsec.net/exploits/2018/04/26/nagios.htmlCVE reference · x_refsource_MISC
- https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXTCVE reference · x_refsource_MISC
- 44969CVE reference · exploit, x_refsource_EXPLOIT-DB
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.