CVE-2025-20327

HIGH
7.7
CVSS Score
Published: September 24, 2025 at 05:11 PM UTC
Updated: September 26, 2026 at 12:27 AM UTC
1 product affected across 1 vendorIOS

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Severity
HIGH7.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a crafted URL in an HTTP request. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Affected

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

15.2(6)E215.2(6)E2a15.2(6)E2b15.2(6)E315.2(6)e215.2(6)e2a15.2(6)e2b15.2(6)e315.2(7)E15.2(7)E0a15.2(7)E0b15.2(7)E0s15.2(7)E115.2(7)E1015.2(7)E1a15.2(7)E215.2(7)E2a15.2(7)E315.2(7)E3k15.2(7)E415.2(7)E515.2(7)E615.2(7)E715.2(7)E815.2(7)E915.2(7)e15.2(7)e0a15.2(7)e0b15.2(7)e0s15.2(7)e115.2(7)e1015.2(7)e1a15.2(7)e215.2(7)e2a15.2(7)e315.2(7)e3k15.2(7)e415.2(7)e515.2(7)e615.2(7)e715.2(7)e815.2(7)e915.2(7a)E0b15.2(7a)e0b15.2(7b)E0b15.2(7b)e0b15.2(8)E15.2(8)E115.2(8)E215.2(8)E315.2(8)E415.2(8)E515.2(8)e15.2(8)e115.2(8)e215.2(8)e315.2(8)e415.2(8)e5

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

7.7HIGHcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1287

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