CVE-2020-15383

Running security scans against the SAN switch can cause config and secnotify processes within the firmware before Brocade Fabric OS v9.0.0, v8.2.2d and v8.2.1e to consume all memory leading to denial of service impacts possibly including a switch panic.

Published: 2021-06-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-15383 is rated Moderate Risk (50.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.99%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-15383

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.47% 0.99% +0.52%
2 2025-03-30 0.56% 0.47% -0.09%
3 2025-03-29 — 0.56% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-15383

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2020-15383

Affected software / configurations for CVE-2020-15383

Vendor Product Version Raw CPE
broadcom fabric_operating_system < 8.2.1 cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric_operating_system 8.2.1 cpe:2.3:o:broadcom:fabric_operating_system:8.2.1:*:*:*:*:*:*:*
broadcom fabric_operating_system 8.2.1a cpe:2.3:o:broadcom:fabric_operating_system:8.2.1a:*:*:*:*:*:*:*
broadcom fabric_operating_system 8.2.1b cpe:2.3:o:broadcom:fabric_operating_system:8.2.1b:*:*:*:*:*:*:*
broadcom fabric_operating_system 8.2.1c cpe:2.3:o:broadcom:fabric_operating_system:8.2.1c:*:*:*:*:*:*:*
broadcom fabric_operating_system 8.2.1d cpe:2.3:o:broadcom:fabric_operating_system:8.2.1d:*:*:*:*:*:*:*
broadcom fabric_operating_system 8.2.2a1 cpe:2.3:o:broadcom:fabric_operating_system:8.2.2a1:*:*:*:*:*:*:*
broadcom fabric_operating_system 8.2.2b cpe:2.3:o:broadcom:fabric_operating_system:8.2.2b:*:*:*:*:*:*:*
broadcom fabric_operating_system 8.2.2c cpe:2.3:o:broadcom:fabric_operating_system:8.2.2c:*:*:*:*:*:*:*

References for CVE-2020-15383

cvelogic Threat Intelligence