CVE-2018-8734

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 53%
CISA-KEV: Not listedEPSS: 53%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

SQL injection vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary SQL commands via the selInfoKey1 parameter.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
98.9%
KEV
Not listed

Published

April 18, 2018

Last Modified

November 21, 2024

References (12)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 3× in last 7d / 28× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 02:20 UTCEPSS rescore
  2. 2026-07-01 15:03 UTCEPSS rescore
  3. 2026-07-01 15:03 UTCEPSS rescore
  4. 2026-06-28 04:53 UTCEPSS rescore
  5. 2026-06-28 04:53 UTCEPSS rescore
  6. 2026-06-27 03:06 UTCEPSS rescore
  7. 2026-06-27 03:06 UTCEPSS rescore
  8. 2026-06-25 13:47 UTCEPSS rescore
  9. 2026-06-25 13:47 UTCEPSS rescore
  10. 2026-06-24 14:02 UTCEPSS rescore
  11. 2026-06-24 14:02 UTCEPSS rescore
  12. 2026-06-23 21:30 UTCEPSS rescore
  13. 2026-06-23 21:30 UTCEPSS rescore
  14. 2026-06-21 14:54 UTCEPSS rescore
  15. 2026-06-21 14:54 UTCEPSS rescore
  16. 2026-06-21 01:57 UTCEPSS rescore
  17. 2026-06-21 01:57 UTCEPSS rescore
  18. 2026-06-19 19:23 UTCEPSS rescore
  19. 2026-06-19 19:23 UTCEPSS rescore
  20. 2026-06-17 17:50 UTCEPSS rescore
  21. 2026-06-16 17:50 UTCEPSS rescore
  22. 2026-06-16 17:50 UTCEPSS rescore
  23. 2026-06-15 17:45 UTCEPSS rescore
  24. 2026-06-13 22:58 UTCEPSS rescore
  25. 2026-06-12 23:09 UTCEPSS rescore
Show 22 more
  1. 2026-06-12 23:09 UTCEPSS rescore
  2. 2026-06-10 22:16 UTCEPSS rescore
  3. 2026-06-10 13:19 UTCEPSS rescore
  4. 2026-06-07 15:22 UTCEPSS rescore
  5. 2026-06-07 15:22 UTCEPSS rescore
  6. 2026-06-06 13:45 UTCEPSS rescore
  7. 2026-06-06 13:45 UTCEPSS rescore
  8. 2026-06-05 22:45 UTCEPSS rescore
  9. 2026-06-05 22:45 UTCEPSS rescore
  10. 2026-06-05 06:08 UTCEPSS rescore
  11. 2026-06-05 06:08 UTCEPSS rescore
  12. 2026-06-04 13:10 UTCEPSS rescore
  13. 2026-06-04 13:10 UTCEPSS rescore
  14. 2026-06-01 13:50 UTCEPSS rescore
  15. 2026-05-31 22:29 UTCEPSS rescore
  16. 2026-05-31 22:29 UTCEPSS rescore
  17. 2026-05-31 00:14 UTCEPSS rescore
  18. 2026-05-31 00:14 UTCEPSS rescore
  19. 2026-05-28 13:43 UTCEPSS rescore
  20. 2026-05-28 13:42 UTCEPSS rescore
  21. 2026-05-28 09:10 UTCEG score recompute
  22. 2026-05-28 09:10 UTCGHSA enrichment

Publicly available exploits

(4 references)

Working exploit code is in the public domain (2 Metasploit modules) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-44969✓ verified
    First seen Jul 2, 2018

    Nagios XI 5.2.6-5.4.12 - Chained Remote Code Execution (Metasploit)

    Open source ↗
  • Exploit-DBEDB-44560✓ verified
    First seen Apr 30, 2018

    Nagios XI 5.2.6 < 5.2.9 / 5.3 / 5.4 - Chained Remote Root

    Open source ↗
  • Metasploitexploit/linux/http/nagios_xi_chained_rce_2_electric_boogaloo✓ verified
    First seen Apr 17, 2018

    Nagios XI Chained Remote Code Execution

    Open source ↗
  • Metasploitexploit/linux/http/nagios_xi_chained_rce✓ verified
    First seen Mar 6, 2016

    Nagios XI Chained Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-8734?
CVE-2018-8734 is a critical vulnerability published on April 18, 2018. SQL injection vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary SQL commands via the selInfoKey1 parameter.
When was CVE-2018-8734 disclosed?
CVE-2018-8734 was first published in the National Vulnerability Database on April 18, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-8734 actively exploited?
CVE-2018-8734 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-8734?
CVE-2018-8734 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-8734?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-8734, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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