CVE-2016-3635
CVE-2016-3635 is a high-severity vulnerability in Sap Netweaver with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 6.0
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-284
- Affected product: Sap Netweaver
- Published:
- Last modified:
Description
SAP Netweaver 7.4 allows remote authenticated users to bypass an intended Unified Connectivity (UCON) access control list and execute arbitrary Remote Function Modules (RFM) by leveraging a connection created from earlier execution of an anonymous RFM included in a Communication Assembly, aka SAP Security Note 2139366.
Frequently asked questions
- What is CVE-2016-3635?
- SAP Netweaver 7.4 allows remote authenticated users to bypass an intended Unified Connectivity (UCON) access control list and execute arbitrary Remote Function Modules (RFM) by leveraging a connection created from earlier execution of an anonymous RFM included in a Communication Assembly, aka SAP Security Note 2139366.
- How severe is CVE-2016-3635?
- CVE-2016-3635 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-3635 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-3635?
- CVE-2016-3635 affects Sap Netweaver. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-3635?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-3635 published?
- CVE-2016-3635 was published on 2016-10-13 and last updated on 2026-06-17.
References
- http://seclists.org/fulldisclosure/2016/Oct/48
- http://www.securityfocus.com/bid/93501
- https://www.onapsis.com/research/security-advisories/sap-ucon-security-protection-bypass
Affected products (1)
- cpe:2.3:a:sap:netweaver:7.40:*:*:*:*:*:*:*
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