GHSA-xxgm-qpj5-4886 · Severity: low · Ecosystem: pip — OpenStack Nova Scheduler denial of service through scheduler_hints
The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.
Conclusion & alert: CVE-2012-3371 is rated Exploit Available (56.6/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.85%). 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 | 2026-06-15 | 0.88% | 1.85% | +0.97% |
| 2 | 2025-03-30 | 1.67% | 0.88% | -0.79% |
| 3 | 2025-03-29 | — | 1.67% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
GHSA-xxgm-qpj5-4886 · Severity: low · Ecosystem: pip — OpenStack Nova Scheduler denial of service through scheduler_hints
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-3371 not yet assigned priority: Debian including 1 source packages (nova), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-3371 |
ubuntu
|
medium | CVE-2012-3371 medium priority: Ubuntu including 1 source packages (nova), 6 status rows across 6 suites (hardy, lucid, natty, oneiric, precise, upstream): DNE 2, not-affected 2, needed 1, released 1. | https://ubuntu.com/security/CVE-2012-3371 |