THREATPORT/VULNERABILITY/CVE-2020-26829
CRITICAL SEVERITY

CVE-2020-26829

Netweaver Application Server Java vulnerability

CVSS
10.0
EPSS
4.7%
EPSS pct
91th
Exploited
No known
SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary connections from processes because of missing authentication check, that are outside the cluster and even outside the network segment dedicated for the internal cluster communication. As result, an unauthenticated attacker can invoke certain functions that would otherwise be restricted to system administrators only, including access to system administration functions or shutting down the system completely.
Affected vendor
Sap
Affected product
Netweaver Application Server Java
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-306 — Missing Authentication for Critical Function
Published
2020-12-09

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 4.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2020-26829

  • Confirm whether Sap Netweaver Application Server Java is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-26829.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-26829

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-26829 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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