CVE-2018-8939

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
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

An SSRF issue was discovered in NmAPI.exe in Ipswitch WhatsUp Gold before 2018 (18.0). Malicious actors can submit specially crafted requests via the NmAPI executable to (1) gain unauthorized access to the WhatsUp Gold system, (2) obtain information about the WhatsUp Gold system, or (3) execute remote commands.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
—
EPSS
70.5%
KEV
Not listed

Published

May 1, 2018

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 7, 2026
No patch confirmed yet.
generic

Release Notes for Ipswitch WhatsUp Gold 2018

https://docs.ipswitch.com/NM/WhatsUpGold2018/01_ReleaseNotes/index.htm

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 40× 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. 2026-07-22 22:18 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-20 17:04 UTCEPSS rescore
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  6. 2026-07-19 14:28 UTCEPSS rescore
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  10. 2026-07-16 16:59 UTCEPSS rescore
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  12. 2026-07-15 16:55 UTCEPSS rescore
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  14. 2026-07-13 22:27 UTCEPSS rescore
  15. 2026-07-13 06:10 UTCEPSS rescore
  16. 2026-07-12 05:43 UTCEPSS rescore
  17. 2026-07-09 19:06 UTCEPSS rescore
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  20. 2026-07-06 16:25 UTCEPSS rescore
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  1. 2026-07-01 15:03 UTCEPSS rescore
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  3. 2026-06-30 23:20 UTCEPSS rescore
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  5. 2026-06-28 14:04 UTCEPSS rescore
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  8. 2026-06-27 03:06 UTCEPSS rescore
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  10. 2026-06-25 13:47 UTCEPSS rescore
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  14. 2026-06-23 21:30 UTCEPSS rescore
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  16. 2026-06-22 14:23 UTCEPSS rescore
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  18. 2026-06-21 14:54 UTCEPSS rescore
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  20. 2026-06-21 01:57 UTCEPSS rescore
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  22. 2026-06-19 19:23 UTCEPSS rescore
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  24. 2026-06-18 17:50 UTCEPSS rescore
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  26. 2026-06-17 17:50 UTCEPSS rescore
  27. 2026-06-16 17:50 UTCEPSS rescore
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  30. 2026-06-14 23:15 UTCEPSS rescore
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  32. 2026-06-13 22:58 UTCEPSS rescore
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  35. 2026-06-11 13:57 UTCEPSS rescore
  36. 2026-06-10 22:16 UTCEPSS rescore
  37. 2026-06-10 13:19 UTCEPSS rescore
  38. 2026-06-08 14:14 UTCEPSS rescore
  39. 2026-06-07 15:22 UTCEPSS rescore
  40. 2026-06-07 15:22 UTCEPSS rescore
  41. 2026-06-06 13:45 UTCEPSS rescore
  42. 2026-06-06 13:45 UTCEPSS rescore
  43. 2026-06-05 22:45 UTCEPSS rescore
  44. 2026-06-05 22:45 UTCEPSS rescore
  45. 2026-06-05 06:08 UTCEPSS rescore
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  47. 2026-06-04 13:10 UTCEPSS rescore
  48. 2026-06-04 13:10 UTCEPSS rescore
  49. 2026-06-02 20:11 UTCEPSS rescore
  50. 2026-06-01 13:50 UTCEPSS rescore
  51. 2026-05-31 22:29 UTCEPSS rescore
  52. 2026-05-31 22:29 UTCEPSS rescore
  53. 2026-05-31 00:14 UTCEPSS rescore
  54. 2026-05-31 00:14 UTCEPSS rescore
  55. 2026-05-29 13:41 UTCEPSS rescore
  56. 2026-05-28 13:43 UTCEPSS rescore
  57. 2026-05-28 13:42 UTCEPSS rescore
  58. 2026-05-28 08:30 UTCEG score recompute
  59. 2026-05-28 08:30 UTCGHSA enrichment
  60. 2026-05-27 13:38 UTCEPSS rescore
  61. 2026-05-26 13:42 UTCEPSS rescore
  62. 2026-05-26 13:42 UTCEPSS rescore
  63. 2026-05-26 07:17 UTCEPSS rescore
  64. 2026-05-26 07:17 UTCEPSS rescore
  65. 2026-05-25 01:43 UTCOSV refresh

Frequently asked(5)

What is CVE-2018-8939?
CVE-2018-8939 is a critical vulnerability published on May 1, 2018. An SSRF issue was discovered in NmAPI.exe in Ipswitch WhatsUp Gold before 2018 (18.0). Malicious actors can submit specially crafted requests via the NmAPI executable to (1) gain unauthorized access to the WhatsUp Gold system, (2) obtain information about the WhatsUp Gold system, or (3) execute…
When was CVE-2018-8939 disclosed?
CVE-2018-8939 was first published in the National Vulnerability Database on May 1, 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-2018-8939 actively exploited?
CVE-2018-8939 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-8939?
CVE-2018-8939 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-8939?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-8939, 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.

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