CVE-2025-31324
Critical9.8CISA KEV — exploited in the wildMissing Authorization check in SAP NetWeaver (Visual Composer development server)title from the CVE record
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.
- CVSS
- 9.8v3.1
- EPSS (exploit probability)
- 99.5%100th pct
- CISA KEV
- Listed
EPSS trendFIRST daily scores, last 90 days
Daily values
| Score date | EPSS | Percentile |
|---|---|---|
| 2026-11-10 | 99.5% | 99.9% |
| 2026-11-09 | 99.5% | 99.9% |
| 2026-11-08 | 99.5% | 99.9% |
| 2026-11-07 | 99.5% | 99.9% |
| 2026-11-06 | 99.5% | 99.9% |
| 2026-11-05 | 99.5% | 99.9% |
| 2026-11-04 | 99.5% | 99.9% |
| 2026-11-03 | 99.5% | 99.9% |
| 2026-11-02 | 99.5% | 99.9% |
| 2026-11-01 | 99.5% | 99.9% |
| 2026-10-31 | 99.5% | 99.9% |
| 2026-10-30 | 99.5% | 99.9% |
| 2026-10-29 | 99.5% | 99.9% |
| 2026-10-28 | 99.5% | 99.9% |
| 2026-10-27 | 99.5% | 99.9% |
| 2026-10-26 | 99.5% | 99.9% |
| 2026-10-25 | 99.5% | 99.9% |
| 2026-10-24 | 99.5% | 99.9% |
| 2026-10-23 | 99.5% | 99.9% |
| 2026-10-22 | 99.5% | 99.9% |
| 2026-10-21 | 99.5% | 99.9% |
| 2026-10-20 | 99.5% | 99.9% |
| 2026-10-19 | 99.5% | 99.9% |
| 2026-10-18 | 99.5% | 99.9% |
| 2026-10-17 | 99.5% | 99.9% |
| 2026-10-16 | 99.5% | 99.9% |
| 2026-10-15 | 99.5% | 99.9% |
| 2026-10-14 | 99.5% | 99.9% |
| 2026-10-13 | 99.5% | 99.9% |
| 2026-10-12 | 99.5% | 99.9% |
| 2026-10-11 | 99.5% | 99.9% |
| 2026-10-10 | 99.5% | 99.9% |
CISA KEV entrycatalogue 2026.11.10
- Date added
- 2025-04-29
- Federal due date
- 2025-05-20
- Known ransomware use
- Known
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.
Verbatim from the CISA KEV catalogue (CISA KEV, fetched 2026-11-11 16:43 UTC). The due date applies to US federal agencies under BOD 22-01.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Learn
Why it happened and what stops it
The weakness (CWE)
How attackers use it (ATT&CK)
CTID's mapping of this CVE from CISA's Known Exploited Vulnerabilities.
How it's exploited
What the attacker gets
What they do next
Controls that mitigate it (NIST SP 800-53)
- AC-3Access EnforcementAccess Control · mitigates 4 of these techniques
- CM-6Configuration SettingsConfiguration Management · mitigates 4 of these techniques
- SI-4System MonitoringSystem and Information Integrity · mitigates 4 of these techniques
- AC-2Account ManagementAccess Control · mitigates 3 of these techniques
- AC-5Separation of DutiesAccess Control · mitigates 3 of these techniques
- AC-6Least PrivilegeAccess Control · mitigates 3 of these techniques
Affected products
- sap netweaver
Coverage1 article
References
- https://me.sap.com/notes/3594142
- https://url.sap/sapsecuritypatchday
- https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/
- https://www.bleepingcomputer.com/news/security/sap-fixes-suspected-netweaver-zero-day-exploited-in-attacks/
- https://www.theregister.com/2025/04/25/sap_netweaver_patch/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31324