Vulnerability Intelligence Report
CVE-2021-45960
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:4.20%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
—
Weaknesses (CWE)
CWE-682 ↗CWE-682 Incorrect Calculation
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| libexpat_project | libexpat | all |
| tenable | nessus | all |
| debian | debian_linux | 10.0, 11.0 |
| siemens | sinema_remote_connect_server | all |
| netapp | active_iq_unified_manager | all |
| netapp | hci_baseboard_management_controller | h610c, h610s, h615c |
| netapp | oncommand_workflow_automation | all |
| netapp | solidfire_\&_hci_management_node | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
4.200%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2022-01-01T00:00:00 |
| Published | 2022-01-01T18:47:46 |
| Last Updated | 2025-05-05T16:45:11 |
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