HIGH✓ PATCH🇵🇱 Wersja polska

CVE-2020-26070

CVSS 8.6v3.1pub. 2020-11-12upd. 2024-11-21

A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper resource allocation when an affected device processes network traffic in software switching mode (punted). An attacker could exploit this vulnerability by sending specific streams of Layer 2 or Layer 3 protocol data units (PDUs) to an affected device. A successful exploit could cause the affected device to run out of buffer resources, which could make the device unable to process or forward traffic, resulting in a DoS condition. The device would need to be restarted to regain functionality.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
  • Cisco Asr 9000v

    HW
    Cisco
    v2
  • Cisco Asr 9001

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9006

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9010

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9901

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9903

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9904

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9906

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9910

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9912

    HW
    Cisco
    wszystkie wersje
  • Cisco Asr 9922

    HW
    Cisco
    wszystkie wersje
  • Cisco IOS XR

    OS
    Cisco
    7.1.0 – 7.1.2 (bez)< 6.7.2
🟢
PATCH AVAILABLE
Vendor update available. Deploy in standard maintenance cycle.
Tags
DoS
CWE
References

Related vulnerabilities

CVE-2017-12240CRITICAL9.8⚠ KEVten sam produkt

The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability tha...

CVE-2025-20363CRITICAL9.0PL ✓ten sam produkt

RCE w web services Cisco ASA, FTD, IOS, IOS XE, IOS XR przez HTTP

CVE-2020-3284CRITICAL9.8ten sam produkt

A vulnerability in the enhanced Preboot eXecution Environment (PXE) boot loader for Cisco IOS XR 64-bit Softwa...

CVE-2019-1710CRITICAL9.8ten sam produkt

A vulnerability in the sysadmin virtual machine (VM) on Cisco ASR 9000 Series Aggregation Services Routers run...

CVE-2020-3569HIGH8.6⚠ KEVten sam produkt

Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Sof...