What is CVE-2010-5326?

CVE-2010-5326 is a critical-severity vulnerability in SAP Netweaver Application Server Java, classified under Missing Authentication for Critical Function. CVSS score: 10.0/10. Published 2016-05-13.

How severe is CVE-2010-5326?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2010-5326 known to be exploited?

Yes. CVE-2010-5326 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Auth bypass in SAP Netweaver Application Server Java

CVE-2010-5326

The Invoker Servlet on SAP NetWeaver Application Server Java platforms, possibly before 7.3, does not require authentication, which allows remote attackers to execute arbitrary code via an HTTP or HTTPS request, as exploited in the wild in 2013 through 2016, aka a "Detour" attack.

Vulnerability class: Broken Authentication

Published 2016-05-13 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.178 (97.1th percentile), scored 2026-10-19.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.178 · newest: 0.178 · change: 0.000

Affected products

SAP Netweaver Application Server Java

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.securityfocus.com/bid/90533 (VDB Entry, Third Party Advisory, vdb-entry)
www.onapsis.com/threat-report-tip-iceberg-wild-exploitation-cyber-attacks-sap-b… (Third Party Advisory)
service.sap.com/sap/support/notes/1445998 (Permissions Required)
www.onapsis.com/research/publications/sap-security-in-depth-vol4-the-invoker-se… (Broken Link)
www.us-cert.gov/ncas/alerts/TA16-132A (US Government Resource, Third Party Advisory, third-party-advisory)
www.securityfocus.com/bid/48925 (VDB Entry, Third Party Advisory, vdb-entry)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2010-5326?: CVE-2010-5326 is a critical-severity vulnerability in SAP Netweaver Application Server Java, classified under Missing Authentication for Critical Function. CVSS score: 10.0/10. Published 2016-05-13.
How severe is CVE-2010-5326?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2010-5326 known to be exploited?: Yes. CVE-2010-5326 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.