THREATPORT/VULNERABILITY/CVE-2017-12786
CRITICAL SEVERITY

CVE-2017-12786

Noviware vulnerability

CVSS
9.8
EPSS
25.3%
EPSS pct
98th
Exploited
No known
Network interfaces of the cliengine and noviengine services, included in the NoviWare software distribution through NW400.2.6 and deployed on NoviSwitch devices, can be inadvertently exposed if an operator attempts to modify ACLs, because of a bug when ACL modifications are applied. This could be leveraged by remote, unauthenticated attackers to gain resultant privileged (root) code execution on the switch, because there is a stack-based buffer overflow during unserialization of packet data.
Affected vendor
Noviflow
Affected product
Noviware
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2017-08-22

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, high impact to integrity, high impact to availability.

Its EPSS score of 25.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2017-12786

  • Confirm whether Noviflow Noviware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-12786.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-12786

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-12786 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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