CVE-2020-15387: broadcom brocade_sannav Inadequate Encryption Strength
CVSS: 7.4v3.1HighModified
Published 09-06-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-15387 is a high (CVSS 7.4) Inadequate Encryption Strength vulnerability in broadcom brocade_sannav. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.8% of scored vulnerabilities.
CVSS score
7.4/10
010
High · v3.1 (NVD)EPSS score
0.49%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-06-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NSourcesSingle source
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.49%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
0.00 pp
From 0.49% on 18-09-2026
18-09-202618-10-2026
EPSS score0.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Broadcom2 products
- brocade_sannav< 2.1.1
- fabric_operating_system< 7.4.2 | ≥ 8.2.0, < 8.2.1 | 7.4.2 | 7.4.2a | 7.4.2b | 7.4.2c | 7.4.2d | 7.4.2f | 7.4.2g | 8.2.1 | 8.2.1a | 8.2.1b
1 vendor · 2 products