THREATPORT/VULNERABILITY/CVE-2020-5421
MEDIUM SEVERITY

CVE-2020-5421

Spring Framework vulnerability

CVSS
6.5
EPSS
10.7%
EPSS pct
95th
Exploited
No known
In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.
Affected vendor
Vmware
Affected product
Spring Framework
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N
Published
2020-09-19

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring low privileges, user interaction. Successful exploitation leads to low impact to confidentiality, high impact to integrity.

Its EPSS score of 10.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2020-5421

  • Confirm whether Vmware Spring Framework is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-5421.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-5421

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-5421 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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