CVE-2025-42980: SAP NetWeaver Enterprise Portal Federated Portal Network · Deserialization of Untrusted Data
Affects SAP NetWeaver Enterprise Portal Federated Portal NetworkSource CVE Database V5
Not known to be exploited · CVSS 9.1 Critical.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 55% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 8 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
2) Restrict and monitor privileged user access rigorously, implementing the principle of least privilege and ensuring that only necessary personnel have upload capabilities within the Federated Portal Network. 3) Implement strong auditing and logging of all upload activities and deserialization processes to detect anomalous or unauthorized actions promptly. 4) Employ application-layer security controls such as input validation, deserialization protection libraries, or sandboxing techniques to prevent execution of malicious serialized objects. 5) Conduct regular security assessments and penetration testing focused on deserialization vulnerabilities and privileged user activities within SAP environments. 6) Educate privileged users on the risks associated with uploading untrusted content and enforce strict content validation policies. 7) Consider network segmentation and isolation of SAP portal components to limit lateral movement in case of compromise. These measures, combined with vigilant monitoring, will reduce the likelihood and impact of exploitation.
Description
SAP NetWeaver Enterprise Portal Federated Portal Network is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.