CVE-2020-6304
HIGHCVSS 7.5/10EPSS 1.29%
Last modified
CVE-2020-6304 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Improper input validation in SAP NetWeaver Internet Communication Manager (update provided in KRNL32NUC & KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT KRNL64NUC & KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49 KERNEL 7.21, 7.49, 7.53) allows an attacker to prevent users from accessing its services through a denial of service.. EPSS estimates a 1.29% chance of exploitation in the next 30 days.
Description
Improper input validation in SAP NetWeaver Internet Communication Manager (update provided in KRNL32NUC & KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT KRNL64NUC & KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49 KERNEL 7.21, 7.49, 7.53) allows an attacker to prevent users from accessing its services through a denial of service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sap | Netweaver Internet Communication Manager \(Kernel\) | 7.21 |
| Sap | Netweaver Internet Communication Manager \(Kernel\) | 7.22 |
| Sap | Netweaver Internet Communication Manager \(Kernel\) | 7.49 |
| Sap | Netweaver Internet Communication Manager \(Kernel\) | 7.53 |
| Sap | Netweaver Internet Communication Manager \(Krnl32nuc\) | 7.21 |
| Sap | Netweaver Internet Communication Manager \(Krnl32nuc\) | 7.21ext |
| Sap | Netweaver Internet Communication Manager \(Krnl32nuc\) | 7.22 |
| Sap | Netweaver Internet Communication Manager \(Krnl32nuc\) | 7.22ext |
| Sap | Netweaver Internet Communication Manager \(Krnl32uc\) | 7.21 |
| Sap | Netweaver Internet Communication Manager \(Krnl32uc\) | 7.21ext |
| Sap | Netweaver Internet Communication Manager \(Krnl32uc\) | 7.22 |
| Sap | Netweaver Internet Communication Manager \(Krnl32uc\) | 7.22ext |
| Sap | Netweaver Internet Communication Manager \(Krnl64nuc\) | 7.21 |
| Sap | Netweaver Internet Communication Manager \(Krnl64nuc\) | 7.21ext |
| Sap | Netweaver Internet Communication Manager \(Krnl64nuc\) | 7.22 |
| Sap | Netweaver Internet Communication Manager \(Krnl64nuc\) | 7.22ext |
| Sap | Netweaver Internet Communication Manager \(Krnl64nuc\) | 7.49 |
| Sap | Netweaver Internet Communication Manager \(Krnl64uc\) | 7.21 |
| Sap | Netweaver Internet Communication Manager \(Krnl64uc\) | 7.21ext |
| Sap | Netweaver Internet Communication Manager \(Krnl64uc\) | 7.22 |
| Sap | Netweaver Internet Communication Manager \(Krnl64uc\) | 7.22ext |
| Sap | Netweaver Internet Communication Manager \(Krnl64uc\) | 7.49 |
References
- https://launchpad.support.sap.com/#/notes/2848498Permissions Required
- https://launchpad.support.sap.com/#/notes/2848498Permissions Required
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6304?
Improper input validation in SAP NetWeaver Internet Communication Manager (update provided in KRNL32NUC & KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT KRNL64NUC & KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49 KERNEL 7.21, 7.49, 7.53) allows an attacker to prevent users from accessing its services through a denial of service.
How severe is CVE-2020-6304?
CVE-2020-6304 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6304?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-6298SAP Banking Services (Generic Market Data), versions - 400, …8.1
- CVE-2020-6299SAP NetWeaver (ABAP Server) and ABAP Platform, versions - 74…4.3
- CVE-2020-6300SAP Business Objects Business Intelligence Platform (Central…4.8
- CVE-2020-6301SAP ERP (HCM Travel Management), versions - 600, 602, 603, 6…8.1
- CVE-2020-6302SAP Commerce versions 6.7, 1808, 1811, 1905, 2005 contains t…8.1
- CVE-2020-6303SAP Disclosure Management, before version 10.1, does not val…5.4
- CVE-2020-6305PI Rest Adapter of SAP Process Integration (update provided …6.1
- CVE-2020-6306Missing authorization check in a transaction within SAP Leas…2.7
- CVE-2020-6307Automated Note Search Tool (update provided in SAP Basis 7.0…4.3
- CVE-2020-6308SAP BusinessObjects Business Intelligence Platform (Web Serv…5.3
- CVE-2020-6309SAP NetWeaver AS JAVA, versions - (ENGINEAPI 7.10; WSRM 7.10…7.5
- CVE-2020-6310Improper access control in SOA Configuration Trace component…4.3
Are you affected by CVE-2020-6304?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST