CVEvulnerability

CVE-2015-4321

5.0 MEDIUM Published 2015-08-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2015-08-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-20

Description

The Unicast Reverse Path Forwarding (uRPF) implementation in Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3), and 9.4(1) mishandles cases where an IP address belongs to an internal interface but is also in the ASA routing table, which allows remote attackers to bypass uRPF validation via spoofed packets, aka Bug ID CSCuv60724.

Affected configurations

• cisco adaptive security appliance software 9.3\(1.50\) • cisco adaptive security appliance software 9.3\(2.100\) • cisco adaptive security appliance software 9.3\(3\) • cisco adaptive security appliance software 9.4\(1\)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References