CVE-2024-20679Network attack vector

Data disclosure via crafted-URL cross-site scripting

Published Feb 13, 2024 · Updated Aug 10, 2026

Cross-site scripting in Microsoft Azure Stack Hub before 1.2311.1.22 allows remote attackers to read sensitive data via a crafted URL. Microsoft has not disclosed which portal page or output path fails to neutralize attacker-controlled web content. Exploitation requires a victim to click a specially crafted URL, and the published impact is disclosure rather than modification or interruption.

CVSS severity6.5
Medium
EPSS probability1.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Microsoft Azure Stack Hub before 1.2311.1.22 allows remote attackers to read sensitive data via a crafted URL. Microsoft has not disclosed which portal page or output path fails to neutralize attacker-controlled web content. Exploitation requires a victim to click a specially crafted URL, and the published impact is disclosure rather than modification or interruption.

The record

CVE
CVE-2024-20679
Published
Feb 13, 2024
Updated
Aug 10, 2026
Vendor
Microsoft
Product
Azure Stack Hub
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record 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=1.0.0 <1.2311.1.22

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Azure Stack Hubversion=1.0.0 <1.2311.1.22

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
6.5Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001Malicious Link

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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