CRITICAL SEVERITY

CVE-2016-5229

Bamboo vulnerability

CVSS
9.8
EPSS
7.1%
EPSS pct
94th
Exploited
No known
Atlassian Bamboo before 5.11.4.1 and 5.12.x before 5.12.3.1 does not properly restrict permitted deserialized classes, which allows remote attackers to execute arbitrary code via vectors related to XStream Serialization.
Affected vendor
Atlassian
Affected product
Bamboo
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-284 — Improper Access Control
Published
2016-08-02

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 7.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2016-5229

  • Confirm whether Atlassian Bamboo is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-5229.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-5229

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