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CVE Record

CVE-2018-0465: Cisco Small Business 300 Series Managed Switches Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Small Business 300 Series Managed Switches could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected system. The vulnerability exists because the affected management interface performs insufficient validation of user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or allow the attacker to access sensitive, browser-based information.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This issue lets a remote attacker trick an administrator into opening a malicious link that runs script inside the switch management interface. The business risk is account or browser-session exposure around network management, not direct switch takeover from the evidence provided.

Executive priority

Treat this as a targeted administrative-interface risk. Prioritize remediation where these switches manage important network segments or where management access is broadly reachable.

Technical view

CVE-2018-0465 is a CWE-79 XSS flaw in the Cisco Small Business 300 Series Managed Switches web-based management interface. Cisco describes insufficient validation of user-supplied input. Exploitation requires persuading a user of the interface to click a malicious link.

Likely exposure

Organizations using Cisco Small Business 300 Series Managed Switches with web management enabled are the relevant population. Risk increases if administrators access the interface from general-purpose browsers or exposed networks.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. The attack is remote and unauthenticated, but depends on user interaction by someone using the management interface.

Researcher notes

Evidence supports XSS with browser-context impact against the management interface. The bundle does not include CVSS, fixed versions, proof-of-concept status, or active exploitation evidence.

Mitigation direction

  • Check Cisco's advisory for fixed software or official workaround guidance.
  • Restrict switch management access to trusted administrator networks.
  • Avoid exposing web management interfaces to untrusted networks.
  • Tell administrators not to open unsolicited switch management links.

Validation and detection

  • Inventory Cisco Small Business 300 Series Managed Switches.
  • Confirm whether web-based management is enabled.
  • Review Cisco's advisory for affected and remediated release details.
  • Check whether management access is limited to trusted administrators.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2018-0465 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CiscoCisco Small Business 300 Series Managed Switchesn/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.