CVE-2018-17552

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
9.8EG
EchelonGraph verdictMitigate this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 84%
  • Public exploit code is available (Metasploit, Exploit-DB (verified), epss top5pct, epss high, public exploit)
CISA-KEV: Not listedEPSS PROB: 84%CVSS: 9.8Exploit: Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

SQL Injection in login.php in Naviwebs Navigate CMS 2.8 allows remote attackers to bypass authentication via the navigate-user cookie.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
82
EG Risk 82/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation84% × 40%
Automatability30% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high until it ships, then apply the release.
EPSS PROB
84%
EPSS %ILE
99th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high until it ships, then apply the release.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

October 3, 2018

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Sep 29, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic🟡 PoC Available

Navigate CMS - (Unauthenticated) Remote Code Execution (Metasploit) - PHP remote Exploit

https://www.exploit-db.com/exploits/45561/
github_pr

Navigate CMS Unauthenticated Remote Code Execution

Fix merged in rapid7/metasploit-framework PR #10704 on 2018-10-04 — awaiting tagged release

https://github.com/rapid7/metasploit-framework/pull/10704

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 1× in last 7d / 13× 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. 2026-09-30 09:56 UTCEG score recompute
  2. 2026-09-28 18:43 UTCOSV refresh
  3. 2026-09-26 15:53 UTCEPSS rescore
  4. 2026-09-26 00:19 UTCEPSS rescore
  5. 2026-09-24 13:59 UTCEPSS rescore
  6. 2026-09-21 20:27 UTCEPSS rescore
  7. 2026-09-19 15:36 UTCEPSS rescore
  8. 2026-09-18 19:22 UTCEPSS rescore
  9. 2026-09-16 14:03 UTCEPSS rescore
  10. 2026-09-11 14:47 UTCEPSS rescore
  11. 2026-09-10 09:27 UTCEPSS rescore
  12. 2026-09-08 23:24 UTCOSV refresh
  13. 2026-09-06 13:43 UTCEPSS rescore
  14. 2026-09-05 15:24 UTCEPSS rescore
  15. 2026-09-02 14:07 UTCEPSS rescore
  16. 2026-09-02 14:07 UTCEPSS rescore
  17. 2026-08-30 19:13 UTCEPSS rescore
  18. 2026-08-28 21:36 UTCEPSS rescore
  19. 2026-08-27 14:21 UTCEPSS rescore
  20. 2026-08-26 14:41 UTCEPSS rescore
  21. 2026-08-25 13:44 UTCEPSS rescore
  22. 2026-08-22 08:37 UTCOSV refresh
  23. 2026-08-19 17:00 UTCEPSS rescore
  24. 2026-08-16 02:10 UTCEPSS rescore
  25. 2026-08-13 21:56 UTCEPSS rescore
Show 48 more
  1. 2026-08-12 13:46 UTCEPSS rescore
  2. 2026-08-06 11:40 UTCOSV refresh
  3. 2026-07-26 14:51 UTCEPSS rescore
  4. 2026-07-26 14:51 UTCEPSS rescore
  5. 2026-07-24 14:14 UTCEPSS rescore
  6. 2026-07-23 01:34 UTCEG score recompute
  7. 2026-07-22 22:14 UTCEG score recompute
  8. 2026-07-22 14:04 UTCEPSS rescore
  9. 2026-07-21 04:34 UTCOSV refresh
  10. 2026-07-20 17:04 UTCEPSS rescore
  11. 2026-07-20 17:04 UTCEPSS rescore
  12. 2026-07-15 16:55 UTCEPSS rescore
  13. 2026-07-09 19:06 UTCEPSS rescore
  14. 2026-07-05 02:27 UTCEPSS rescore
  15. 2026-07-04 06:28 UTCEPSS rescore
  16. 2026-07-04 00:26 UTCOSV refresh
  17. 2026-07-01 15:03 UTCEPSS rescore
  18. 2026-07-01 15:03 UTCEPSS rescore
  19. 2026-06-27 03:06 UTCEPSS rescore
  20. 2026-06-24 14:02 UTCEPSS rescore
  21. 2026-06-24 14:02 UTCEPSS rescore
  22. 2026-06-23 21:30 UTCEPSS rescore
  23. 2026-06-21 14:54 UTCEPSS rescore
  24. 2026-06-21 14:54 UTCEPSS rescore
  25. 2026-06-16 17:50 UTCEPSS rescore
  26. 2026-06-16 17:50 UTCEPSS rescore
  27. 2026-06-15 17:45 UTCEPSS rescore
  28. 2026-06-15 12:13 UTCOSV refresh
  29. 2026-06-14 23:14 UTCEPSS rescore
  30. 2026-06-14 23:14 UTCEPSS rescore
  31. 2026-06-12 23:09 UTCEPSS rescore
  32. 2026-06-10 22:16 UTCEPSS rescore
  33. 2026-06-10 13:19 UTCEPSS rescore
  34. 2026-06-07 15:22 UTCEPSS rescore
  35. 2026-06-07 15:22 UTCEPSS rescore
  36. 2026-06-05 22:45 UTCEPSS rescore
  37. 2026-06-05 22:44 UTCEPSS rescore
  38. 2026-06-05 06:08 UTCEPSS rescore
  39. 2026-06-05 06:08 UTCEPSS rescore
  40. 2026-06-04 13:10 UTCEPSS rescore
  41. 2026-06-04 13:10 UTCEPSS rescore
  42. 2026-05-29 13:41 UTCEPSS rescore
  43. 2026-05-28 13:42 UTCEPSS rescore
  44. 2026-05-28 13:42 UTCEPSS rescore
  45. 2026-05-28 02:33 UTCEG score recompute
  46. 2026-05-28 02:33 UTCGHSA enrichment
  47. 2026-05-26 07:17 UTCEPSS rescore
  48. 2026-05-26 07:17 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-45561✓ verified
    First seen Oct 8, 2018

    Navigate CMS - (Unauthenticated) Remote Code Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/http/navigate_cms_rce✓ verified
    First seen Sep 26, 2018

    Navigate CMS Unauthenticated Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-17552?
CVE-2018-17552 is a critical vulnerability published on October 3, 2018. SQL Injection in login.php in Naviwebs Navigate CMS 2.8 allows remote attackers to bypass authentication via the navigate-user cookie.
When was CVE-2018-17552 disclosed?
CVE-2018-17552 was first published on October 3, 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-2018-17552 actively exploited?
CVE-2018-17552 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 84% probability of exploitation in the next 30 days (99th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2018-17552?
CVE-2018-17552 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-17552?
An upstream fix for CVE-2018-17552 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix.

Dependency Blast Radius

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