CVE-2021-27791

Description

The function that is used to parse the Authentication header in Brocade Fabric OS Web application service before Brocade Fabric OS v9.0.1a and v8.2.3a fails to properly process a malformed authentication header from the client, resulting in reading memory addresses outside the intended range. An unauthenticated attacker could discover a request, which could bypass the authentication process.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.37%
Vendor Advisory broadcom.com
Affected: n/a Brocade Fabric OS
Published at:
Updated at:

References

Link Tags
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1491 vendor advisory
https://security.netapp.com/advisory/ntap-20210819-0002/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27791?
CVE-2021-27791 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27791?
To fix CVE-2021-27791, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27791 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27791 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27791?
CVE-2021-27791 affects n/a Brocade Fabric OS.
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