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Fencer Vulns
critical 9.8

CVE-2018-1161 in the critical feed json

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Quest NetVault Backup 11.2.0.13.

published 2018-02-08 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11799

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
66.7%
EPSS 66.7% chance of exploitation in 30 days, percentile 99.2%
public exploits
0
none known

Summary

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Quest NetVault Backup 11.2.0.13. Authentication is not required to exploit this vulnerability. The specific flaw exists within nvwsworker.exe. When parsing the boundary header of a multipart request, the process does not properly validate the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code under the context of SYSTEM. Was ZDI-CAN-4215.

Exploit prediction

66.69% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Quest Quest NetVault Backup

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow
  • CWE-20 Improper Input Validation

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.