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CVE Record

CVE-2020-3450: Cisco Vision Dynamic Signage Director SQL Injection Vulnerability

A vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an authenticated, remote attacker with administrative credentials to conduct SQL injection attacks on an affected system. The vulnerability is due to improper validation of user-submitted parameters. An attacker could exploit this vulnerability by authenticating to the web-based management interface and sending malicious requests to an affected system. A successful exploit could allow the attacker to obtain data that is stored in the underlying database, including hashed user credentials. To exploit this vulnerability, an attacker would need valid administrative credentials.

MediumCVSS 4.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is an authenticated SQL injection flaw in Cisco Vision Dynamic Signage Director. An attacker already holding valid administrative credentials could query the underlying database and access sensitive stored data, including hashed user credentials. The business concern is credential exposure after an admin account is compromised.

Executive priority

Treat as a targeted remediation item, not an emergency based on current evidence. Prioritize systems with exposed management interfaces, weak admin account controls, or signs of administrative account compromise.

Technical view

CVE-2020-3450 affects the web-based management interface of Cisco Vision Dynamic Signage Director. Improper validation of user-submitted parameters enables SQL injection by a remote authenticated attacker with administrative privileges. CVSS 3.1 is 4.9, driven by high confidentiality impact and high privilege requirement.

Likely exposure

Exposure is limited to deployments of Cisco Vision Dynamic Signage Director where the management interface is reachable and administrative credentials are valid or compromised. The supplied data does not identify specific affected versions.

Exploitation context

The source bundle does not support active exploitation, and the CVE is not listed as KEV. Exploitation requires valid administrative credentials, but successful abuse could disclose database contents, including hashed user credentials.

Researcher notes

The key constraint is PR:H: exploitation depends on administrative access. Focus validation on reachable management interfaces, admin account compromise paths, and database confidentiality impact. The source bundle does not provide affected version granularity or exploit evidence.

Mitigation direction

  • Review Cisco's advisory for affected and fixed release guidance.
  • Restrict management interface access to trusted administrative networks.
  • Audit administrative accounts and remove unnecessary privileges.
  • Rotate credentials if administrator compromise is suspected.
  • Monitor management-interface access for unusual authenticated activity.

Validation and detection

  • Inventory Cisco Vision Dynamic Signage Director deployments.
  • Compare installed versions against Cisco's advisory guidance.
  • Confirm the management interface is not publicly exposed.
  • Review administrative login and management request logs.
  • Assess whether exposed hashed credentials require incident response.
Prepared
Confidence
high
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-89: Database access and collection lookup

Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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.

Open ATT&CK lookup
description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-3450 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N1.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.9Medium
CVSS 3.1 vector shape for CVE-2020-3450Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CiscoCisco Vision Dynamic Signage Directorn/aListed
Weakness

CWE details

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

CWE-89 · source CWE mapping

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.