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CVE Record

CVE-2020-4140: IBM Security SiteProtector System 3.1.1 is vulnerable to cross-site scripting.

IBM Security SiteProtector System 3.1.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 174052.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Security SiteProtector System 3.1.1 has a Web UI cross-site scripting flaw. An authenticated user could place JavaScript into the interface, potentially changing page behavior or exposing credentials inside a trusted session. The business concern is account misuse in a security management platform, not full system takeover by itself.

Executive priority

Treat as a moderate-priority remediation for any remaining SiteProtector 3.1.1 systems. Prioritize faster if the platform manages sensitive security operations or has broad authenticated Web UI access.

Technical view

CVE-2020-4140 is an XSS vulnerability in IBM Security SiteProtector System 3.1.1. The CVSS 3.0 score is 5.4. The vector indicates network access, low complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact.

Likely exposure

Exposure appears limited to organizations still running IBM Security SiteProtector System 3.1.1, especially where the Web UI is reachable by authenticated users beyond tightly controlled administrators.

Exploitation context

The bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS temporal vector includes exploit maturity as high, but the sources provided do not describe active attacks. User interaction and low privileges are required.

Researcher notes

Evidence is limited to CVE, IBM advisory, and X-Force references. The provided data does not name specific vulnerable fields, payloads, or fixed versions. Avoid assuming broader IBM product impact beyond SiteProtector System 3.1.1.

Mitigation direction

  • Identify any IBM Security SiteProtector System 3.1.1 deployments.
  • Review IBM advisory 6515054 for the vendor-provided remediation.
  • Apply IBM-recommended updates or mitigations for affected systems.
  • Restrict Web UI access to trusted administrative networks and users.
  • Review privileged session handling and credential exposure controls.

Validation and detection

  • Confirm product name and version against asset inventory.
  • Check whether IBM advisory remediation is applied on each instance.
  • Verify Web UI access is limited to authorized administrative users.
  • Review application logs for unexpected script-like content in Web UI fields.
  • Confirm monitoring covers credential misuse from SiteProtector administrative sessions.
Prepared
Confidence
high
Sources
4

Public sources used

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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CVE-2020-4140 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
5.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/A:N/UI:R/AV:N/C:L/S:C/I:L/AC:L/PR:L/E:H/RC:C/RL:O

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
3Source 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
5.4CVSS 3.0MediumCVSS:3.0/A:N/UI:R/AV:N/C:L/S:C/I:L/AC:L/PR:L/E:H/RC:C/RL:O2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2020-4140Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:N/UI:R/AV:N/C:L/S:C/I:L/AC:L/PR:L/E:H/RC:C/RL:O

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
IBMSecurity SiteProtector System3.1.1Listed
Weakness

CWE details

No CWE listed

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