CVE-2021-20575

Local disclosure via insecurely stored web pages

Published May 31, 2021 · Updated Sep 16, 2024

Information disclosure in IBM Security Verify Access 20.07 allows local users to read web pages stored on the system. IBM has not published the storage path, file permissions, or operation that leaves those pages accessible to another account. Exploitation requires local system access and exposes only stored web-page content, with no reported ability to modify data or interrupt service.

CVSS severity3.3
Low
EPSS probability0.27%
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 Security Verify Access 20.07 allows local users to read web pages stored on the system. IBM has not published the storage path, file permissions, or operation that leaves those pages accessible to another account. Exploitation requires local system access and exposes only stored web-page content, with no reported ability to modify data or interrupt service.

The record

CVE
CVE-2021-20575
Published
May 31, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Security Verify Access
Classifications
CWE-922, T1005
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 31, 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=20.07

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · IBM Security Verify Accessversion=20.07

Published CVSS scores

3.3NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.1NVDAV:L/AC:L/Au:N/C:P/I:N/A:N
4.0IBM PSIRTCVSS:3.0/AV:L/AC:L/PR:N/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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-922Insecure Storage of Sensitive Information
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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