CVE-2023-42477 — SAP NetWeaver AS Java (GRMG Heartbeat application) - version 7

SAP NetWeaver AS Java (GRMG Heartbeat application) - version 7.50, allows an attacker to send a crafted request from a vulnerable web application, causing limited impact on confidentiality and integrity of the application.

01What is this vulnerability?

SAP NetWeaver AS Java (GRMG Heartbeat application) - version 7.50, allows an attacker to send a crafted request from a vulnerable web application, causing limited impact on confidentiality and integrity of the application.

02Affected products

Vendor	Product	Versions
SAP_SE	SAP NetWeaver AS Java	7.50

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-10-10T01:37:54.816Z
• Last modified: 2024-09-18T18:55:58.441Z

09References

• me.sap.com — https://me.sap.com/notes/3333426
• www.sap.com — https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html