CVE-2024-21626
Container breakout vulnerability in runc via file descriptor leakage
⚡ KEV — Known Exploited
CVSS 8.6 (High)
EPSS 0.7230 (1th pct)
Technical Description
Container breakout vulnerability in runc via file descriptor leakage.
Why this matters to your organisation:
CISA has confirmed active exploitation in the wild (KEV catalogue entry). The Exploit Prediction Scoring System (EPSS) estimates a 72.3% probability of exploitation within 30 days. The affected service is internet-facing, increasing exposure. This is a critical service for the organisation.
CISA has confirmed active exploitation in the wild (KEV catalogue entry). The Exploit Prediction Scoring System (EPSS) estimates a 72.3% probability of exploitation within 30 days. The affected service is internet-facing, increasing exposure. This is a critical service for the organisation.
Potential Impact
A vulnerability in runc rated High (CVSS 8.6). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalogue, indicating it has been actively exploited in the wild.
✅ Recommended Next Action
Review CVE-2024-21626 and confirm whether runc is in use.
Confidence: Not Applicable
The organisation does not use this product.
CVE Details
| Product | runc runc |
| Version Range | < 1.1.12 → ∞ |
| Installed | Unknown |
| Match Type | Product Not Used |
| CVSS | 8.6 |
| KEV | YES |
| EPSS | 0.723 |
| Source |
NVD · Jan. 31, 2024 View reference ↗ |
Score Breakdown
⚡ KEV+40
🌐 Exposure+20
⭐ Importance+15
📈 EPSS+10.8
🔢 CVSS+8.6
⚠ Uncertainty-10
Total84