CVE-2011-2760

Brocade BigIron RX switches allow remote attackers to bypass ACL rules by using 179 as the source port of a packet.

Published: 2011-07-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-2760 is rated Moderate Risk (45.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.57%). Mandatory action: 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-2011-2760

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 1.20% 1.57% +0.37%
2 2026-01-10 0.54% 1.20% +0.67%
3 2025-03-30 0.54%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2760

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N 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:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-2760

Affected software / configurations for CVE-2011-2760

Vendor Product Version Raw CPE
brocade bigiron_rx_switch cpe:2.3:h:brocade:bigiron_rx_switch:*:*:*:*:*:*:*:*

References for CVE-2011-2760

cvelogic Threat Intelligence