CVE-2020-15387

HIGHCVSS 7.4/10EPSS 0.49%

Last modified

CVE-2020-15387 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. The host SSH servers of Brocade Fabric OS before Brocade Fabric OS v7.4.2h, v8.2.1c, v8.2.2, v9.0.0, and Brocade SANnav before v2.1.1 utilize keys of less than 2048 bits, which may be vulnerable to man-in-the-middle attacks and/or insecure SSH communications.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

The host SSH servers of Brocade Fabric OS before Brocade Fabric OS v7.4.2h, v8.2.1c, v8.2.2, v9.0.0, and Brocade SANnav before v2.1.1 utilize keys of less than 2048 bits, which may be vulnerable to man-in-the-middle attacks and/or insecure SSH communications.

Metrics

CVSS 3.1
7.4/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.49%

38.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
BroadcomBrocade Sannav< 2.1.1
BroadcomFabric Operating System< 7.4.2
BroadcomFabric Operating System>= 8.2.0, < 8.2.1
BroadcomFabric Operating System7.4.2
BroadcomFabric Operating System7.4.2a
BroadcomFabric Operating System7.4.2b
BroadcomFabric Operating System7.4.2c
BroadcomFabric Operating System7.4.2d
BroadcomFabric Operating System7.4.2f
BroadcomFabric Operating System7.4.2g
BroadcomFabric Operating System8.2.1
BroadcomFabric Operating System8.2.1a
BroadcomFabric Operating System8.2.1b

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-15387?
The host SSH servers of Brocade Fabric OS before Brocade Fabric OS v7.4.2h, v8.2.1c, v8.2.2, v9.0.0, and Brocade SANnav before v2.1.1 utilize keys of less than 2048 bits, which may be vulnerable to man-in-the-middle attacks and/or insecure SSH communications.
How severe is CVE-2020-15387?
CVE-2020-15387 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15387?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15387?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST