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Exploited vulnerability · CISA KEV

Is CVE-2020-6287 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · SAP NetWeaver · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2020-6287, SAP NetWeaver Missing Authentication for Critical Function Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 477 days after it was published. It affects SAP NetWeaver. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity10CVSS 3.0 · critical
US federal due3 May 2022BOD 22-01 deadline

What it is

SAP NetWeaver Application Server Java Platforms contains a missing authentication for critical function vulnerability allowing unauthenticated access to execute configuration tasks and create administrative users.

VendorSAP (14 exploited CVEs in KEV)
ProductNetWeaver
VulnerabilitySAP NetWeaver Missing Authentication for Critical Function Vulnerability
WeaknessCWE-306
Published14 Jul 2020
Added to KEV3 Nov 2021
Reported by (CNA)sap

What to do

  1. Check whether you run it. Look for NetWeaver in your asset inventory, including appliances and cloud images. Stack check lists every exploited SAP CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 14 Jul 2020.
  4. Get told next time. Email alerts when CISA adds a CVE for SAP.

Other exploited CVEs in NetWeaver

References

Questions

Is CVE-2020-6287 being exploited?

Yes. CISA added CVE-2020-6287 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2020-6287 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2020-6287?

Apply updates per vendor instructions. Check SAP's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected NetWeaver and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2021 · SAP scorecard · act-now radar.

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