Vulnerability in Cisco iOS Xe

CVE-2015-4293

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.

EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.

Affected products

  • Cisco Ios_xe — versions 2.1.0, 2.1.1, 2.1.2
  • N/a — versions n/a

Weakness classification (CWE)

References