CVE-2015-4199
Description
Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (NULL pointer free and module crash) by triggering intermittent connectivity with many IPv6 CPE devices, aka Bug ID CSCug47366.
Risk Information
Base Score
5.9
MODERATE
Vector
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.526
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco IOS Software UBR Devices IPv6 to IPv4 Subsystem Denial of Service Vulnerability For Cisco IOS | NCM |
| Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition) Vulnerability (CVE-2015-4199) | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1706090 | Security Update for Cisco IOS Amsterdam-17.2.1r |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234