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Fencer Vulns
high 8.8

CVE-2020-15643 in the critical feed json

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Marvell QConvergeConsole 5.5.0.64.

published 2020-08-25 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-7630

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
58.7%
EPSS 58.7% chance of exploitation in 30 days, percentile 99.1%
public exploits
0
none known

Summary

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Marvell QConvergeConsole 5.5.0.64. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the saveAsText method of the GWTTestServiceImpl 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 execute code in the context of SYSTEM. Was ZDI-CAN-10549.

Patch / fix

  • marvell qconvergeconsole 5.5.00.73

Exploit prediction

58.65% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • tenable.com https://www.tenable.com/security/research/tra-2020-56 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • Marvell QConvergeConsole

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.