CVE-2020-4789Network attack vector

Authenticated arbitrary file read via path traversal

Published Jan 27, 2021 · Updated Sep 16, 2024

Path traversal in IBM QRadar SIEM 7.3.0 through 7.3.3 Patch 5 and 7.4.0 through 7.4.2 Patch 1 allows remote authenticated users to read files. IBM has not identified the affected endpoint or implementation locus; published details establish only that URL processing accepts /../ sequences and returns arbitrary system files. A valid low-privilege account is required, and exploitation exposes file contents without write or service-interruption impact.

CVSS severity6.5
Medium
EPSS probability2.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in IBM QRadar SIEM 7.3.0 through 7.3.3 Patch 5 and 7.4.0 through 7.4.2 Patch 1 allows remote authenticated users to read files. IBM has not identified the affected endpoint or implementation locus; published details establish only that URL processing accepts /../ sequences and returns arbitrary system files. A valid low-privilege account is required, and exploitation exposes file contents without write or service-interruption impact.

The record

CVE
CVE-2020-4789
Published
Jan 27, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
QRadar SIEM
Classifications
CWE-22, T1005
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 27, 2021CVE 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=7.3.0
  2. Affected versionversion=7.3.3 Patch 5
  3. Affected versionversion=7.4.0
  4. Affected versionversion=7.4.1 Patch 1
  5. Affected versionversion=7.4.2.GA
  6. Affected versionversion=7.4.2 Patch 1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · QRadar SIEMversion=7.3.0; version=7.3.3 Patch 5; version=7.4.0; version=7.4.1 Patch 1; version=7.4.2.GA; version=7.4.2 Patch 1

Published CVSS scores

6.5IBM CorporationCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0NIST National Vulnerability DatabaseAV:N/AC:L/Au:S/C:P/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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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