THREATPORT/VULNERABILITY/CVE-2017-16780
CRITICAL SEVERITY

CVE-2017-16780

Mybb vulnerability

CVSS
9.8
EPSS
5.8%
EPSS pct
92th
Exploited
No known
The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file.
Affected vendor
Mybb
Affected product
Mybb
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-352 — Cross-Site Request Forgery (CSRF)
Published
2017-11-10

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 5.8% 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-2017-16780

  • Confirm whether Mybb Mybb is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-16780.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-16780

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-16780 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2017-16780?

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