synced 8 MIN AGO
01 Record

CVE-2015-4321

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

UnratedPUBLISHEDCNA: cisco
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.74% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 77.3% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2015-08-20 10:00Z11 YR AGO
Last updated
2024-08-06 06:11Z2 YR AGO
Reserved
2015-06-04
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
a274d725a0489cac512bbdeab4a7ed1fe2f1ec259665903929cc6faf90eb3abb

05 Affected products

VendorProductVersionsPlatforms
ciscoadaptive_security_appliance_softwareNot specified—

06 References