CVE-2020-4138

Local information disclosure via stored web pages

Published Jul 11, 2022 · Updated Sep 16, 2024

Information disclosure in IBM SiteProtector Appliance 3.1.1 allows local users to read web pages stored on the system. IBM states that the appliance stores web pages locally where another system user can read them, but it has not disclosed the responsible component or file-handling operation. Exploitation requires local access and exposes stored page content without reported modification or service interruption.

CVSS severity4.0
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in IBM SiteProtector Appliance 3.1.1 allows local users to read web pages stored on the system. IBM states that the appliance stores web pages locally where another system user can read them, but it has not disclosed the responsible component or file-handling operation. Exploitation requires local access and exposes stored page content without reported modification or service interruption.

The record

CVE
CVE-2020-4138
Published
Jul 11, 2022
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Security SiteProtector System
Classifications
T1005
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Jul 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.1.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

IBM · IBM Security SiteProtector Systemversion=3.1.1

Published CVSS scores

4.0IBMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.5IBMCVSS:3.0/AV:L/S:U/AC:L/A:N/PR:N/UI:N/I:N/C:L/E:U/RL:O/RC:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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