CVE-2020-3474

Cisco IOS XE Software Web Management Framework Vulnerabilities

HIGH
8.1
CVSS Score
Published: September 24, 2020 at 05:53 PM UTC
Updated: June 17, 2026 at 03:18 AM UTC
100 products affected across 1 vendorIOS XeAsr 1002-xAsr 1006

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Severity
HIGH8.1
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

Multiple vulnerabilities in the web management framework of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to gain unauthorized read access to sensitive data or cause the web management software to hang or crash, resulting in a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
cisco-1100-integrated-services-router (environment) · cisco-1101-integrated-services-router (environment) · cisco-1109-integrated-services-router (environment) · cisco-1111x-integrated-services-router (environment) · cisco-111x-integrated-services-router (environment) · cisco-1120-integrated-services-router (environment) · cisco-1160-integrated-services-router (environment) · cisco-asr-1001-hx (environment) · cisco-asr-1001-x (environment) · cisco-asr-1002-hx (environment) · cisco-asr-1002-x (environment) · cisco-asr-1004 (environment) · cisco-asr-1006 (environment) · cisco-asr-1006-x (environment) · cisco-asr-1009-x (environment) · cisco-asr-1013 (environment) · cisco-catalyst-9800-40 (environment) · cisco-catalyst-9800-80 (environment) · cisco-catalyst-9800-cl (environment) · cisco-catalyst-9800-l (environment) · cisco-catalyst-9800-l-c (environment) · cisco-catalyst-9800-l-f (environment) · cisco-catalyst-c9200-24p (environment) · cisco-catalyst-c9200-24t (environment) · cisco-catalyst-c9200-48p (environment) · cisco-catalyst-c9200-48t (environment) · cisco-catalyst-c9200l-24p-4g (environment) · cisco-catalyst-c9200l-24p-4x (environment) · cisco-catalyst-c9200l-24pxg-2y (environment) · cisco-catalyst-c9200l-24pxg-4x (environment) · cisco-catalyst-c9200l-24t-4g (environment) · cisco-catalyst-c9200l-24t-4x (environment) · cisco-catalyst-c9200l-48p-4g (environment) · cisco-catalyst-c9200l-48p-4x (environment) · cisco-catalyst-c9200l-48pxg-2y (environment) · cisco-catalyst-c9200l-48pxg-4x (environment) · cisco-catalyst-c9200l-48t-4g (environment) · cisco-catalyst-c9200l-48t-4x (environment) · cisco-catalyst-c9300-24p (environment) · cisco-catalyst-c9300-24s (environment) · cisco-catalyst-c9300-24t (environment) · cisco-catalyst-c9300-24u (environment) · cisco-catalyst-c9300-24ux (environment) · cisco-catalyst-c9300-48p (environment) · cisco-catalyst-c9300-48s (environment) · cisco-catalyst-c9300-48t (environment) · cisco-catalyst-c9300-48u (environment) · cisco-catalyst-c9300-48un (environment) · cisco-catalyst-c9300-48uxm (environment) · cisco-catalyst-c9300l-24p-4g (environment) · cisco-catalyst-c9300l-24p-4x (environment) · cisco-catalyst-c9300l-24t-4g (environment) · cisco-catalyst-c9300l-24t-4x (environment) · cisco-catalyst-c9300l-48p-4g (environment) · cisco-catalyst-c9300l-48p-4x (environment) · cisco-catalyst-c9300l-48t-4g (environment) · cisco-catalyst-c9300l-48t-4x (environment) · cisco-catalyst-c9500-12q (environment) · cisco-catalyst-c9500-16x (environment) · cisco-catalyst-c9500-24q (environment) · cisco-catalyst-c9500-24y4c (environment) · cisco-catalyst-c9500-32c (environment) · cisco-catalyst-c9500-32qc (environment) · cisco-catalyst-c9500-40x (environment) · cisco-catalyst-c9500-48y4c (environment) · cisco-ws-c3650-12x48uq (environment) · cisco-ws-c3650-12x48ur (environment) · cisco-ws-c3650-12x48uz (environment) · cisco-ws-c3650-24pd (environment) · cisco-ws-c3650-24pdm (environment) · cisco-ws-c3650-24ps (environment) · cisco-ws-c3650-24td (environment) · cisco-ws-c3650-24ts (environment) · cisco-ws-c3650-48fd (environment) · cisco-ws-c3650-48fq (environment) · cisco-ws-c3650-48fqm (environment) · cisco-ws-c3650-48fs (environment) · cisco-ws-c3650-48pd (environment) · cisco-ws-c3650-48pq (environment) · cisco-ws-c3650-48ps (environment) · cisco-ws-c3650-48td (environment) · cisco-ws-c3650-48tq (environment) · cisco-ws-c3650-48ts (environment) · cisco-ws-c3650-8x24uq (environment) · cisco-ws-c3850 (environment) · cisco-ws-c3850-12s (environment) · cisco-ws-c3850-12x48u (environment) · cisco-ws-c3850-12xs (environment) · cisco-ws-c3850-24p (environment) · cisco-ws-c3850-24s (environment) · cisco-ws-c3850-24t (environment) · cisco-ws-c3850-24u (environment) · cisco-ws-c3850-24xs (environment) · cisco-ws-c3850-24xu (environment) · cisco-ws-c3850-48f (environment) · cisco-ws-c3850-48p (environment) · cisco-ws-c3850-48t (environment) · cisco-ws-c3850-48u (environment) · cisco-ws-c3850-48xs (environment)
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20CWE-863

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