CVE-2020-11838Network attack vector

Browser script execution via stored XSS

Published Jun 16, 2020 · Updated Aug 4, 2024

Stored XSS in Micro Focus ArcSight Management Center 2.6.1, 2.7.x, 2.8.x, and 2.9.x before 2.9.4 allows remote attackers to execute browser script. Micro Focus has not published the input field, storage path, rendering component, or faulty encoding operation that permits persisted content to execute. Exploitation requires a user to view the stored content, after which script runs in that user's browser context and can read or alter displayed application data.

CVSS severity6.1
Medium
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Micro Focus ArcSight Management Center 2.6.1, 2.7.x, 2.8.x, and 2.9.x before 2.9.4 allows remote attackers to execute browser script. Micro Focus has not published the input field, storage path, rendering component, or faulty encoding operation that permits persisted content to execute. Exploitation requires a user to view the stored content, after which script runs in that user's browser context and can read or alter displayed application data.

The record

CVE
CVE-2020-11838
Published
Jun 16, 2020
Updated
Aug 4, 2024
Vendor
Micro Focus
Product
ArcSight Management Center
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 16, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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=2.6.1, 2.7.x, 2.8.x, 2.9.x prior to 2.9.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Micro Focus · ArcSight Management Centerversion=2.6.1, 2.7.x, 2.8.x, 2.9.x prior to 2.9.4

Published CVSS scores

6.1Micro FocusCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.9Micro FocusAV:N/AC:M/Au:S/C:P/I:P/A:N
5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5NVDAV:N/AC:M/Au:S/C:N/I:P/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')
T1203Exploitation for Client Execution

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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