THREATPORT/VULNERABILITY/CVE-2018-19586
CRITICAL SEVERITY

CVE-2018-19586

Silverpeas vulnerability

CVSS
9.9
EPSS
5.1%
EPSS pct
92th
Exploited
No known
Silverpeas 5.15 through 6.0.2 is affected by an authenticated Directory Traversal vulnerability that can be triggered during file uploads because core/webapi/upload/FileUploadData.java mishandles a StringUtil.java call. This vulnerability enables regular users to write arbitrary files on the underlying system with privileges of the user running the application. Especially, an attacker may leverage the vulnerability to write an executable JSP file in an exposed web directory to execute commands on the underlying system.
Affected vendor
Silverpeas
Affected product
Silverpeas
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness type (CWE)
Published
2019-04-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2018-19586

  • Confirm whether Silverpeas Silverpeas is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-19586.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-19586

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-19586 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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