CVE-2018-0435

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.1Exploit: NoneExposed: 0

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

A vulnerability in the Cisco Umbrella API could allow an authenticated, remote attacker to view and modify data across their organization and other organizations. The vulnerability is due to insufficient authentication configurations for the API interface of Cisco Umbrella. An attacker could exploit this vulnerability to view and potentially modify data for their organization or other organizations. A successful exploit could allow the attacker to read or modify data across multiple organizations.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

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
Severity91% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
62.0%
KEV
Not listed

Published

October 5, 2018

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jul 19, 2026
No patch confirmed yet.
generic

Cisco Umbrella API Unauthorized Access Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180905-umbrella-api
generic
http://www.securityfocus.com/bid/105283

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 44× 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. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 01:31 UTCEG score recompute
  3. 2026-07-22 22:11 UTCEG score recompute
  4. 2026-07-22 14:04 UTCEPSS rescore
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  1. 2026-07-06 16:24 UTCEPSS rescore
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  22. 2026-06-22 14:23 UTCEPSS rescore
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  40. 2026-06-11 13:57 UTCEPSS rescore
  41. 2026-06-10 22:15 UTCEPSS rescore
  42. 2026-06-10 13:19 UTCEPSS rescore
  43. 2026-06-08 14:14 UTCEPSS rescore
  44. 2026-06-08 14:14 UTCEPSS rescore
  45. 2026-06-07 15:22 UTCEPSS rescore
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  47. 2026-06-06 13:45 UTCEPSS rescore
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  62. 2026-05-29 13:41 UTCEPSS rescore
  63. 2026-05-28 13:42 UTCEPSS rescore
  64. 2026-05-28 13:42 UTCEPSS rescore
  65. 2026-05-28 02:30 UTCEG score recompute
  66. 2026-05-28 02:29 UTCGHSA enrichment
  67. 2026-05-27 13:38 UTCEPSS rescore
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  69. 2026-05-26 13:42 UTCEPSS rescore
  70. 2026-05-26 07:17 UTCEPSS rescore
  71. 2026-05-26 07:17 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2018-0435?
CVE-2018-0435 is a critical vulnerability published on October 5, 2018. A vulnerability in the Cisco Umbrella API could allow an authenticated, remote attacker to view and modify data across their organization and other organizations. The vulnerability is due to insufficient authentication configurations for the API interface of Cisco Umbrella. An attacker could…
When was CVE-2018-0435 disclosed?
CVE-2018-0435 was first published in the National Vulnerability Database on October 5, 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-2018-0435 actively exploited?
CVE-2018-0435 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-0435?
CVE-2018-0435 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2018-0435?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-0435, 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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