THREATPORT/VULNERABILITY/CVE-2021-21350
MEDIUM SEVERITY

CVE-2021-21350

Oncommand Insight vulnerability

CVSS
5.3
EPSS
15.2%
EPSS pct
96th
Exploited
No known
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to execute arbitrary code only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
Affected vendor
Netapp
Affected product
Oncommand Insight
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
  • CWE-502 — Deserialization of Untrusted Data
Published
2021-03-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 15.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2021-21350

  • Confirm whether Netapp Oncommand Insight is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-21350.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-21350

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