Deploy autonomous AI agents that reason, exploit, and validate complex vulnerability chains — not another scanner, an agentic system that thinks like a senior pentester.
CVE-2021-21974 is a high severity vulnerability with a CVSS score of 8.8. Exploits are available; patches have been released and should be applied urgently.
Very high probability of exploitation in the next 30 days
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution.
| Vendor | Product |
|---|---|
| VMware | Esxi |
| VMware | Cloud Foundation |
Please cite this page when referencing data from Strobes VI. Proper attribution helps support our vulnerability intelligence research.