SPIP before 4.3.2, 4.2.16, and 4.1.18 is vulnerable to a command injection issue. A remote and unauthenticated attacker can execute arbitrary operating system commands by sending a crafted multipart file upload HTTP request.
Conclusion & alert: CVE-2024-8517 is rated High Exploit Risk (89.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 93.37%, 100th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-11 | 93.32% | 93.37% | +0.05% |
| 2 | 2026-05-08 | 93.23% | 93.32% | +0.09% |
| 3 | 2025-12-31 | — | 93.23% | — |
Full EPSS history (41 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2024-8517 unimportant priority: Debian including 1 source packages (spip), 4 status rows across 4 suites (bullseye, forky, sid, trixie): resolved 4. | https://security-tracker.debian.org/tracker/CVE-2024-8517 |
ubuntu
|
medium | CVE-2024-8517 medium priority: Ubuntu including 1 source packages (spip), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): released 4, needed 3, not-affected 2. | https://ubuntu.com/security/CVE-2024-8517 |
| URL | Tags |
|---|---|
| https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-3-2-SPIP-4-2-16-SPIP-4-1-18.html | Vendor Advisory |
| https://thinkloveshare.com/hacking/spip_preauth_rce_2024_part_2_a_big_upload/ | Exploit Third Party Advisory |
| https://vozec.fr/researchs/spip-preauth-rce-2024-big-upload/ | Exploit Third Party Advisory |
| https://vulncheck.com/advisories/spip-upload-rce | Third Party Advisory |