CVE Feed

    Dashboard / CVE / CVE-2015-4293

    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.

    Published:Jul 30, 2015
    Last Modified:Apr 12, 2025
    EPS:Jul 30, 2015
    EPSS Score:0.00474
    CVSS Score:5

    Affected Products

    Vendor
    Cisco
    Product
    Ios Xe

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-20273 (CVSS 8.6) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software eng…
    CVE-2026-20272 (CVSS 9.8) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software eng…
    CVE-2026-20271 (CVSS 8.6) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software eng…
    CVE-2026-20270 (CVSS 8.6) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software eng…
    CVE-2026-20269 (CVSS 8.6) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software eng…
    CVE-2026-20268 (CVSS 8.6) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software eng…
    CVE-2026-20267 (CVSS 9) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software eng…
    CVE-2025-20363 (CVSS 9) — A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco…
    CVE-2025-20338 (CVSS 6) — A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker with administ…
    CVE-2025-20352 (CVSS 7.7) — A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software and Cisco IOS…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High