Linked CVE review

Assess and apply SAP security advisory 3621771

Linked CVEs: 1
Confirmed exploited: 0
PoC or lab evidence: 0
Maximum CVSS: 9.1

Evidence is kept separate

Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.

1 of 1 linked CVEs shown

Confirmed exploitedCVSS above 9.0

CVE and description	Severity	Exploit reality	Forecast and access	Remediation
CVE-2025-42963 Critical technical severity Insecure Deserialization in SAP NetWeaver Application Server for Java (Log Viewer ) A critical vulnerability in SAP NetWeaver Application server for Java Log Viewer enables authenticated administrator users to exploit unsafe Java object deserialization. Successful exploitation can lead to full operating system compromise, granting attackers complete control over the affected system. This results in a severe impact on the confidentiality, integrity, and availability of the application and host enviro	9.1 · CVSS 3.1 · CriticalSource: CNA	No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.	EPSS: 0.74% · 53.1th percentileForecast date: 2026-10-07NETWORK · LOW complexity · HIGH privileges · NONE user interaction	Within 7 daysCritical technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data.