CVE-2021-27790
Last modified
CVE-2021-27790 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The command ipfilter in Brocade Fabric OS before Brocade Fabric OS v.9.0.1a, v8.2.3, and v8.2.0_CBN4, and v7.4.2h uses unsafe string function to process user input. Authenticated attackers can abuse this vulnerability to exploit stack-based buffer overflows, allowing execution of arbitrary code as the root user account.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
Description
The command ipfilter in Brocade Fabric OS before Brocade Fabric OS v.9.0.1a, v8.2.3, and v8.2.0_CBN4, and v7.4.2h uses unsafe string function to process user input. Authenticated attackers can abuse this vulnerability to exploit stack-based buffer overflows, allowing execution of arbitrary code as the root user account.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Fabric Operating System | < 7.4.2h |
| Broadcom | Fabric Operating System | >= 8.0.0, < 8.2.0_cbn4 |
| Broadcom | Fabric Operating System | >= 8.2.1, < 8.2.3 |
| Broadcom | Fabric Operating System | >= 9.0.0, < 9.0.1a |
References
- https://security.netapp.com/advisory/ntap-20210819-0002/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210819-0002/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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