CVE-2020-4309Network attack vector

Unauthenticated sensitive-information disclosure

Published Mar 24, 2020 · Updated Sep 16, 2024

Information disclosure in IBM Content Navigator 3.0CD allows remote attackers to read sensitive information over the network. IBM has not published the affected component, request path, exposed data, or the operation that returns the information without authorization. No credentials or user interaction are described as necessary, and the information can aid further attacks against the system.

CVSS severity5.3
Medium
EPSS probability1.31%
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 Content Navigator 3.0CD allows remote attackers to read sensitive information over the network. IBM has not published the affected component, request path, exposed data, or the operation that returns the information without authorization. No credentials or user interaction are described as necessary, and the information can aid further attacks against the system.

The record

CVE
CVE-2020-4309
Published
Mar 24, 2020
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Content Navigator
Classifications
CWE-200, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 24, 2020CVE 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=3.0CD

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Content Navigatorversion=3.0CD

Published CVSS scores

3.8IBMCVSS:3.0/AV:N/A:N/PR:L/AC:L/C:L/I:N/S:U/UI:N/RC:C/E:U/RL:O
5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.3IBMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1190Exploit Public-Facing Application

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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