CVE-2015-4293 - CVE House
Back to Database
Status published Medium CVE-2015-4293

The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier...

Vulnerability Description

The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (CPU consumption or packet loss) via fragmented (1) IPv4 or (2) IPv6 packets that trigger ATTN-3-SYNC_TIMEOUT errors after reassembly failures, aka Bug ID CSCuo37957.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2015-4293

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

ios xe
Vulnerable Versions:
2.1.0, 2.1.1, 2.1.2, 2.2.1, 2.2.2, 2.2.3, 2.3.0, 2.3.0t, 2.3.1t, 2.3.2, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.6.1, 2.6.2, 3.10s.0, 3.10s.0a, 3.10s.1, 3.10s.2, 3.10s.3, 3.11s.0, 3.11s.1, 3.11s.2, 3.12s.0, 3.12s.1, 3.13s.0

Timeline

Official Publish: July 30th, 2015
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.