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Security Verify Access CVE-2021-20575

LOW
Insecure Storage of Sensitive Information (CWE-922)
2021-06-01 psirt@us.ibm.com
3.3
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Secure storage of sensitive data
Impact

CVSS score of 3.3 (LOW). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the low-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAI

IBM Security Verify Access 20.07 allows web pages to be stored locally which can be read by another user on the system. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-922. IBM Security Verify Access 20.07 allows web pages to be stored locally which can be read by another user on the system. X-Force ID: 199278. Affected products include: Ibm Application Gateway, Ibm Security Verify Access.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 3.3 LOW
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionNVD

IBM Security Verify Access 20.07 allows web pages to be stored locally which can be read by another user on the system. X-Force ID: 199278.

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Low

Priority Score

16
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +16
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:ibm:application_gateway:1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access:20.07:*:*:*:*:*:*:*
CVE-2024-35133 HIGH POC
8.2 Aug 29

IBM Security Verify Access 10.0.0 through 10.0.8 OIDC Provider could allow a remote authenticated attacker to conduct ph

CVE-2024-28787 CRITICAL
10.0 Apr 04

IBM Security Verify Access 10.0.0 through 10.0.7 and IBM Application Gateway 20.01 through 24.03 could allow a remote at

CVE-2026-78401 CRITICAL
9.8 Oct 08

Unauthenticated remote code execution affects IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity A

CVE-2026-78406 CRITICAL
9.8 Oct 08

Remote code execution is achievable in IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 1

CVE-2025-36087 CRITICAL
9.8 Oct 13

Hard-coded credentials in IBM Security Verify Access 10.0.0 through 10.0.9 and 11.0.0, and in Verify Identity Access Con

CVE-2026-11928 CRITICAL
9.8 Sep 15

An out-of-bounds write in IBM Verify Identity Access (and its predecessor branding, IBM Security Verify Access, plus bot

CVE-2026-4101 CRITICAL
9.8 Apr 01

Authentication bypass in IBM Verify Identity Access and IBM Security Verify Access (versions 10.0-10.0.9.1 and 11.0-11.0

CVE-2024-49806 CRITICAL
9.8 Nov 29

IBM Security Verify Access Appliance 10.0.0 through 10.0.8 contains hard-coded credentials, such as a password or crypto

CVE-2024-49805 CRITICAL
9.8 Nov 29

IBM Security Verify Access Appliance 10.0.0 through 10.0.8 contains hard-coded credentials, such as a password or crypto

CVE-2020-4499 CRITICAL
9.8 Oct 15

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client

CVE-2025-36356 CRITICAL
9.3 Oct 06

Local privilege escalation in IBM Security Verify Access and Verify Identity Access 10.0.x/11.0.x allows an authenticate

CVE-2026-11921 CRITICAL
9.1 Sep 15

IBM Verify Identity Access (formerly IBM Security Verify Access) in container and appliance deployments can silently fai

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