CVE-2020-15373
CVE-2020-15373 is a critical-severity vulnerability in Broadcom Fabric Operating System with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Broadcom Fabric Operating System
- Published:
- Last modified:
Description
Multiple buffer overflow vulnerabilities in REST API in Brocade Fabric OS versions v8.2.1 through v8.2.1d, and 8.2.2 versions before v8.2.2c could allow remote unauthenticated attackers to perform various attacks.
Frequently asked questions
- What is CVE-2020-15373?
- Multiple buffer overflow vulnerabilities in REST API in Brocade Fabric OS versions v8.2.1 through v8.2.1d, and 8.2.2 versions before v8.2.2c could allow remote unauthenticated attackers to perform various attacks.
- How severe is CVE-2020-15373?
- CVE-2020-15373 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-15373 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-15373?
- CVE-2020-15373 primarily affects Broadcom Fabric Operating System. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-15373?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-15373 published?
- CVE-2020-15373 was published on 2020-09-25 and last updated on 2026-06-17.
References
Affected products (10)
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.1a:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.1b:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.1c:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.1d:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.2a:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.2a1:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.2b:*:*:*:*:*:*:*
- cpe:2.3:o:broadcom:fabric_operating_system:8.2.2c:*:*:*:*:*:*:*
More vulnerabilities in Broadcom Fabric Operating System
- CVE-2022-33186 — Critical (CVSS 9.8): A vulnerability in Brocade Fabric OS software v9.1.1, v9.0.1e, v8.2.3c, v7.4.2j, and earlier versions could allow a…
- CVE-2021-27797 — Critical (CVSS 9.8): Brocade Fabric OS before Brocade Fabric OS v8.2.1c, v8.1.2h, and all versions of Brocade Fabric OS v8.0.x and v7.x…
- CVE-2020-15374 — Critical (CVSS 9.8): Rest API in Brocade Fabric OS v8.2.1 through v8.2.1d, and 8.2.2 versions before v8.2.2c is vulnerable to multiple…
- CVE-2020-15371 — Critical (CVSS 9.8): Brocade Fabric OS versions before Brocade Fabric OS v9.0.0, v8.2.2c, v8.2.1e, v8.1.2k, v8.2.0_CBN3, contains code…
- CVE-2019-18805 — Critical (CVSS 9.8): An issue was discovered in net/ipv4/sysctl_net_ipv4.c in the Linux kernel before 5.0.11. There is a…
- CVE-2018-6440 — Critical (CVSS 9.1): A vulnerability in the proxy service of Brocade Fabric OS versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow…
All CVEs affecting Broadcom Fabric Operating System →
Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities
- CVE-2026-77946 — Critical (CVSS 10.0): A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function…
- CVE-2026-76008 — Critical (CVSS 10.0): A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file…
- CVE-2026-75784 — Critical (CVSS 10.0): A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of…
- CVE-2026-74843 — Critical (CVSS 10.0): A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function…
- CVE-2026-16367 — Critical (CVSS 10.0): Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…