THREATPORT/VULNERABILITY/CVE-2020-15640
HIGH SEVERITY

CVE-2020-15640

Qconvergeconsole vulnerability

CVSS
7.5
EPSS
3.2%
EPSS pct
87th
Exploited
No known
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Marvell QConvergeConsole 5.5.0.64. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getFileUploadBytes method of the FlashValidatorServiceImpl class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10497.
Affected vendor
Marvell
Affected product
Qconvergeconsole
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness type (CWE)
Published
2020-08-25

Risk analysis

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

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2020-15640

  • Confirm whether Marvell Qconvergeconsole is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-15640.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-15640

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-15640 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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