CVE-2026-20270

High

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a…

cisco·CWE-682·Published 2026-08-05

CVSS

8.6

EPSS

0.00

KEV

Exploits

Tags:x_bundling-flagged-by-CVE-Program

cve.orgen

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As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20270 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.

NVDen

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NVDes

533 chars

Como parte del compromiso continuo de Cisco con la seguridad proactiva y la calidad del producto, el equipo de ingeniería de software Cisco IOS XE ha llevado a cabo una revisión de seguridad interna exhaustiva. Esta revisión resultó en versiones de endurecimiento de software que abordan múltiples vulnerabilidades descubiertas internamente. Las vulnerabilidades rastreadas por CVE-2026-20270 están relacionadas con problemas de cálculo incorrecto que se agrupan bajo el pilar de la enumeración de debilidades comunes (CWE) CWE-682.

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	8.6	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.1	Primary	cve.org	8.6	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.1	Primary	NVD	8.6	3.9	4.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.1	Primary	cve.org	8.6	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.1	Primary	cve.org	8.6	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.1	Secondary	ENISA EUVD	8.6	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.1	Secondary	NVD	8.6	3.9	4.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H