CVE-2020-4606

Information disclosure and memory exhaustion via XXE

Published Jan 8, 2021 · Updated Sep 17, 2024

XML external entity injection in IBM Security Verify Privilege Manager 10.8 allows local users to expose sensitive data or exhaust memory. IBM has not published the affected XML-processing locus or the precise parser operation that accepts external entity references. Local access is required; successful exploitation affects confidentiality and availability without a reported integrity impact.

CVSS severity5.7
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XML external entity injection in IBM Security Verify Privilege Manager 10.8 allows local users to expose sensitive data or exhaust memory. IBM has not published the affected XML-processing locus or the precise parser operation that accepts external entity references. Local access is required; successful exploitation affects confidentiality and availability without a reported integrity impact.

The record

CVE
CVE-2020-4606
Published
Jan 8, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
IBM Security Verify Privilege Manager
Classifications
CWE-611, CAPEC-221, T1005
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 8, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=10.8

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · IBM Security Verify Privilege Managerversion=10.8

Published CVSS scores

4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
3.6NIST NVDAV:L/AC:L/Au:N/C:P/I:N/A:P
5.7IBMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L

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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
CAPEC-221Data Serialization External Entities Blowup
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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