CVE-2018-4847

MEDIUMNVD 4.64.6—
EchelonGraph scoreMEDIUM confidence

Score 4.6 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 4.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.6
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.6Exploit: NoneExposed: 0

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

A vulnerability has been identified in SIMATIC WinCC OA Operator iOS App (All versions < V1.4). Insufficient protection of sensitive information (e.g. session key for accessing server) in Siemens WinCC OA Operator iOS app could allow an attacker with physical access to the mobile device to read unencrypted data from the app's directory. Siemens provides mitigations to resolve the security issue.

CVSS v3
4.6
EG Score
4.6(medium)
EPSS
19.7%
KEV
Not listed

Published

April 23, 2018

Last Modified

November 21, 2024

References (4)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 41× 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 22:16 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  1. 2026-07-01 15:03 UTCEPSS rescore
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  40. 2026-06-07 15:22 UTCEPSS rescore
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  42. 2026-06-06 13:45 UTCEPSS rescore
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  44. 2026-06-05 22:45 UTCEPSS rescore
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  56. 2026-05-29 13:41 UTCEPSS rescore
  57. 2026-05-28 13:43 UTCEPSS rescore
  58. 2026-05-28 13:42 UTCEPSS rescore
  59. 2026-05-28 08:45 UTCEG score recompute
  60. 2026-05-28 08:45 UTCGHSA enrichment
  61. 2026-05-27 13:38 UTCEPSS rescore
  62. 2026-05-26 13:42 UTCEPSS rescore
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  64. 2026-05-26 07:17 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2018-4847?
CVE-2018-4847 is a medium vulnerability published on April 23, 2018. A vulnerability has been identified in SIMATIC WinCC OA Operator iOS App (All versions < V1.4). Insufficient protection of sensitive information (e.g. session key for accessing server) in Siemens WinCC OA Operator iOS app could allow an attacker with physical access to the mobile device to read…
When was CVE-2018-4847 disclosed?
CVE-2018-4847 was first published in the National Vulnerability Database on April 23, 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-2018-4847 actively exploited?
CVE-2018-4847 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-4847?
CVE-2018-4847 has a CVSS v3 base score of 4.6 (NVD).
How do I remediate CVE-2018-4847?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-4847, 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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