Known exploited vulnerability
CVE-2025-31324
The short answer
CVE-2025-31324 affects SAP_SE SAP NetWeaver (Visual Composer development server) and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-04-29: attackers are using it, so patch it first.
What it is
SAP NetWeaver Visual Composer Metadata Uploader is not protected with a proper authorization, allowing unauthenticated agent to upload potentially malicious executable binaries that could severely harm the host system. This could significantly affect the confidentiality, integrity, and availability of the targeted system.
Weakness: CWE-434.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Apr 29, 2025
Federal due date May 20, 2025
EPSS, next 30 days
99%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected products
SAP NetWeaver (Visual Composer development server). NVD's record lists the exact affected versions.
References
- me.sap.com/notes/3594142 Permissions Required
- url.sap/sapsecuritypatchday Vendor Advisory
- onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/ Third Party Advisory
- www.bleepingcomputer.com/news/security/sap-fixes-suspected-netweaver-zero-day-exploited-in-attacks/ Press/Media Coverage
- www.theregister.com/2025/04/25/sap_netweaver_patch/ Press/Media Coverage
- onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/ Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31324 US Government Resource
Questions
Is CVE-2025-31324 being exploited?
Yes. CISA added CVE-2025-31324 to its Known Exploited Vulnerabilities catalog on 2025-04-29, with a federal remediation due date of 2025-05-20. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2025-31324?
CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
Related
Latest CVEs this week
Critical and High CVEs from the last 7 days, with KEV and EPSS.
Exploited vulnerabilities by vendor
Every vendor in CISA's KEV catalog, with its count.
SAP exploited vulnerabilities
Everything CISA lists as exploited for SAP.
Vulnerability watch
A briefing and a fix pull request when an advisory hits your dependencies.
Know the day a CVE lands in your code
Connect a GitHub repository and ZeusQA checks its dependencies daily, briefs each advisory and opens the fix. Three test runs free, no card.