CVE intelligence and bounded remediation

CVE-2020-3261 — Cisco Aironet 1542I Firmware security vulnerability

High CVSS 8.1

A vulnerability in the web-based management interface of Cisco Mobility Express Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. The vulnerability is due to insufficient CSRF protections for the web-based management interface on an affected device. An attacker could exploit this vulnerability by persuading a user with an active session on an affected device to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions, including modifying the configuration, with the privilege level of the user.

Severity
High
CVSS
8.1 (3.0)
Published
2020-04-15
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-352

Affected products

  • cisco / aironet_1542i_firmware
  • cisco / aironet_1542i_firmware / 8.10(1.255)
  • cisco / aironet_1542d_firmware
  • cisco / aironet_1542d_firmware / 8.10(1.255)
  • cisco / aironet_1562i_firmware
  • cisco / aironet_1562i_firmware / 8.10(1.255)

Showing 6 representative product identities from 34 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

General vulnerability remediation

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Confirm the affected component, deployment paths, reachable interfaces, and enabled features from inventories and configuration, without probing production destructively.
  • Compare the advisory's affected conditions with the repository lockfiles, build manifests, artifacts, and runtime inventory.
  • Identify data sensitivity, trust boundaries, and privilege level for every confirmed affected deployment.

Remediate safely

  • Apply a vendor-supported fix or remove the affected component or feature; record the selected change and its source in the repository.
  • Update direct and transitive dependency locks, generated artifacts, deployment manifests, and asset inventories together.
  • Add a regression test for the documented unsafe condition using inert inputs and preserve rollback instructions.

Authoritative sources

Complete CVE record and remediation plan

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