CVE-2023-28801

Improper SAML signature verification

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Published Aug 31, 2023 CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed

Description

An Improper Verification of Cryptographic Signature in the SAML authentication of the Zscaler Admin UI allows a Privilege Escalation.This issue affects Admin UI: from 6.2 before 6.2r.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Zscaler

ZIA Admin Portal

unaffected

Version	Status	Constraints
`6.2`	affected	< 6.2 (current)

Configuration 1 [-]

cpe:2.3:a:zscaler:zscaler_internet_access_admin_portal:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-32436	An Improper Verification of Cryptographic Signature in the SAML authentication of the Zscaler Admin UI allows a Privilege Escalation.This issue affects Admin UI: from 6.2 before 6.2r.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.391% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://help.zscaler.com/zia/release-upgrade-summary-2023

History

Oct 1, 2024 6:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Zscaler Zscaler Internet Access Admin Portal

Weaknesses

CWE-347

Sources

CVE record Updated: Oct 1, 2024, 5:51 PM

Status: PUBLISHED
Assigner: Zscaler
Published: Aug 31, 2023, 1:53 PM
Updated: Oct 1, 2024, 5:51 PM
Reserved: Mar 23, 2023, 6:29 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 1:51 PM

Updated: Aug 2, 2024, 1:51 PM

NVD Updated: Jun 17, 2026, 5:48 AM

Status: Modified
Published: Aug 31, 2023, 2:15 PM
Modified: Jun 17, 2026, 5:48 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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