Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control via the "Porlet Deployer"…
Priority LOW 23CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-284.
Summary
Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control via the "Porlet Deployer" which allows administrators to deploy .WAR portlets.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00629 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed org.silverpeas.core:silverpeas-core-web (Maven): 6.3.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.silverpeas.core:silverpeas-core-web (Maven) | before 6.3.2 | 6.3.2 | Patch available | GHSA-28wg-8gv4-mpjf |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.silverpeas.core:silverpeas-core-web (Maven) Vendor— Affected before 6.3.2 Fixed in 6.3.2 Patch available GHSA-28wg-8gv4-mpjf
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:silverpeas:silverpeas:*:*:*:*:*:*:*:* | before 6.3.2 | Vulnerable | Silverpeas |
- cpe:2.3:a:silverpeas:silverpeas:*:*:*:*:*:*:*:* Versions before 6.3.2 Vulnerable ·Silverpeas
Remediation
- Fix · GHSA-28wg-8gv4-mpjf org.silverpeas.core:silverpeas-core-web (Maven) Fixed in 6.3.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47321
- 2026-10-03 Alias added: GHSA-28wg-8gv4-mpjf
- 2026-10-29 EPSS moved to the 50th–90th percentile
References
More Silverpeas vulnerabilities
- TI-2024-23898 Silverpeas before 6.3.5 allows authentication bypass by omitting the Password field to… CVSS 3.1CRITICAL 9.8
- TI-2024-32524 SQL Injection vulnerability in Silverpeas 6.4.1 allows a remote attacker to obtain… CVSS 3.1HIGH 7.5
- TI-2023-25605 Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control. CVSS 3.1HIGH 8.1
- TI-2025-28919 A User enumeration vulnerability in the /CredentialsServlet/ForgotPassword endpoint in… CVSS 3.1MEDIUM 6.5
- TI-2024-28653 An issue in Silverpeas v.6.4.2 and lower allows a remote attacker to cause a denial of… CVSS 3.1MEDIUM 6.5
- TI-2025-28727 Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-47321 · CVE Program
- CVE-2023-47321 · NVD
- FIRST EPSS
- GHSA-28wg-8gv4-mpjf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences