CVE-2020-6304
No known exploitation. EPSS puts it in the 73rd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
1.5% chance of exploitation activity in the next 30 days, which ranks it in the 73rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1773 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- netweaver internet communication manager \(kernel\)Enterprise Software / itsm-monitoring
- netweaver internet communication manager \(krnl32nuc\)Enterprise Software / itsm-monitoring
- netweaver internet communication manager \(krnl32uc\)Enterprise Software / itsm-monitoring
- netweaver internet communication manager \(krnl64nuc\)Enterprise Software / itsm-monitoring
- netweaver internet communication manager \(krnl64uc\)Enterprise Software / itsm-monitoring
- SAP NetWeaver Internet Communication ManagerEnterprise Software / erp
- SAP NetWeaver Internet Communication Manager (KRNL32NUC)Enterprise Software / erp
- SAP NetWeaver Internet Communication Manager (KRNL32UC)Enterprise Software / erp
- SAP NetWeaver Internet Communication Manager (KRNL64NUC)Enterprise Software / erp
- SAP NetWeaver Internet Communication Manager (KRNL64UC)Enterprise Software / erp
- SAP NetWeaver Internet Communication Manager (KERNEL)Enterprise Software / erp
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Scored 7.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationlow confidence
Sources
References in the record
- launchpad.support.sap.com
- wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=533671771
- wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=533671771&
And 1 more reference. See all after sign-in
Watch the software you run.
My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.
We'll flag the next CVE, public exploit or patch for Sap, not every advisory.
A free account adds
- The full version matrix and every affected product
- Exploit links, proofs of concept and Metasploit modules
- Email alerts for the products you watch
- The same data over REST API, MCP and CLI