CVE-2019-16948

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-24. 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 Enghouse Web Chat 6.1.300.31. In any POST request, one can replace the port number at WebServiceLocation=http://localhost:8085/UCWebServices/ with a range of ports to determine what is visible on the internal network (as opposed to what general web traffic would see on the product's host). The response from open ports is different than from closed ports. The product does not allow one to change the protocol: anything except http(s) will throw an error; however, it is the type of error that allows one to determine if a port is open or not.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
—
EPSS
68.2%
KEV
Not listed

Published

November 13, 2019

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 43× 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 22:21 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
  5. 2026-07-20 17:04 UTCEPSS rescore
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  7. 2026-07-19 14:28 UTCEPSS rescore
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  12. 2026-07-16 16:59 UTCEPSS rescore
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  14. 2026-07-15 16:55 UTCEPSS rescore
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  16. 2026-07-13 22:27 UTCEPSS rescore
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  3. 2026-07-06 02:20 UTCEPSS rescore
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  5. 2026-07-04 06:28 UTCEPSS rescore
  6. 2026-07-01 15:03 UTCEPSS rescore
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  8. 2026-06-30 23:20 UTCEPSS rescore
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  10. 2026-06-28 04:54 UTCEPSS rescore
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  12. 2026-06-27 03:06 UTCEPSS rescore
  13. 2026-06-25 13:47 UTCEPSS rescore
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  17. 2026-06-23 21:31 UTCEPSS rescore
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  19. 2026-06-22 14:23 UTCEPSS rescore
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  22. 2026-06-21 01:57 UTCEPSS rescore
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  24. 2026-06-19 19:23 UTCEPSS rescore
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  26. 2026-06-18 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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  36. 2026-06-10 13:19 UTCEPSS rescore
  37. 2026-06-08 14:15 UTCEPSS rescore
  38. 2026-06-07 15:23 UTCEPSS rescore
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  40. 2026-06-06 13:45 UTCEPSS rescore
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  42. 2026-06-05 22:45 UTCEPSS rescore
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  44. 2026-06-05 06:08 UTCEPSS rescore
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  46. 2026-06-04 13:10 UTCEPSS rescore
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  48. 2026-06-02 20:11 UTCEPSS rescore
  49. 2026-06-02 20:11 UTCEPSS rescore
  50. 2026-06-01 13:50 UTCEPSS rescore
  51. 2026-06-01 13:50 UTCEPSS rescore
  52. 2026-05-31 22:29 UTCEPSS rescore
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  54. 2026-05-31 00:14 UTCEPSS rescore
  55. 2026-05-31 00:14 UTCEPSS rescore
  56. 2026-05-29 13:42 UTCEPSS rescore
  57. 2026-05-28 13:43 UTCEPSS rescore
  58. 2026-05-27 13:38 UTCEPSS rescore
  59. 2026-05-27 11:52 UTCEG score recompute
  60. 2026-05-27 11:52 UTCGHSA enrichment
  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. 2026-05-26 07:17 UTCEPSS rescore
  66. 2026-05-24 22:56 UTCOSV refresh

Frequently asked(5)

What is CVE-2019-16948?
CVE-2019-16948 is a critical vulnerability published on November 13, 2019. An SSRF issue was discovered in Enghouse Web Chat 6.1.300.31. In any POST request, one can replace the port number at WebServiceLocation=http://localhost:8085/UCWebServices/ with a range of ports to determine what is visible on the internal network (as opposed to what general web traffic would see…
When was CVE-2019-16948 disclosed?
CVE-2019-16948 was first published in the National Vulnerability Database on November 13, 2019, 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-2019-16948 actively exploited?
CVE-2019-16948 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-16948?
CVE-2019-16948 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-16948?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-16948, 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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