CVE-2022-40631Network attack vector

Session hijacking via undisclosed cross-site scripting

Published Oct 11, 2022 · Updated Aug 3, 2024

Cross-site scripting in Siemens SCALANCE X-200 and X-200IRT switches allows remote attackers to steal session cookies and hijack sessions. Siemens has not disclosed the affected web-interface locus or how untrusted input reaches executable page content. Exploitation requires user interaction, and the disclosed consequence is compromise of the user's switch-management session.

CVSS severity6.1
Medium
EPSS probability0.46%
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 Siemens SCALANCE X-200 and X-200IRT switches allows remote attackers to steal session cookies and hijack sessions. Siemens has not disclosed the affected web-interface locus or how untrusted input reaches executable page content. Exploitation requires user interaction, and the disclosed consequence is compromise of the user's switch-management session.

The record

CVE
CVE-2022-40631
Published
Oct 11, 2022
Updated
Aug 3, 2024
Vendor
Siemens
Product
SCALANCE X212-2LD
Classifications
CWE-79, T1539
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=All versions < V5.2.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Siemens · SCALANCE X212-2LDversion=All versions < V5.2.5
Siemens · SCALANCE X204IRT PROversion=All versions < V5.5.0
Siemens · SCALANCE X202-2P IRTversion=All versions < V5.5.0
Siemens · SCALANCE X204-2FMversion=All versions < V5.2.5
Siemens · SCALANCE XF204-2version=All versions < V5.2.5
Siemens · SCALANCE X204-2TSversion=All versions < V5.2.5
Siemens · SCALANCE X204-2version=All versions < V5.2.5
Siemens · SCALANCE X206-1version=All versions < V5.2.5
Siemens · SCALANCE X204-2LDversion=All versions < V5.2.5
Siemens · SCALANCE XF204IRTversion=All versions < V5.5.0
Siemens · SCALANCE X206-1LDversion=All versions < V5.2.5
Siemens · SCALANCE X202-2P IRT PROversion=All versions < V5.5.0
Siemens · SCALANCE X204-2LD TSversion=All versions < V5.2.5
Siemens · SIPLUS NET SCALANCE X202-2P IRTversion=All versions < V5.5.0
Siemens · SCALANCE X204IRTversion=All versions < V5.5.0
Siemens · SCALANCE X202-2IRTversion=All versions < V5.5.0
Siemens · SCALANCE X216version=All versions < V5.2.5
Siemens · SCALANCE XF202-2P IRTversion=All versions < V5.5.0
Siemens · SCALANCE X208PROversion=All versions < V5.2.5
Siemens · SCALANCE X224version=All versions < V5.2.5
Siemens · SCALANCE X208version=All versions < V5.2.5
Siemens · SCALANCE X201-3P IRT PROversion=All versions < V5.5.0
Siemens · SCALANCE XF201-3P IRTversion=All versions < V5.5.0
Siemens · SCALANCE XF208version=All versions < V5.2.5
Siemens · SCALANCE XF204-2BA IRTversion=All versions < V5.5.0
Siemens · SCALANCE XF204version=All versions < V5.2.5
Siemens · SCALANCE X201-3P IRTversion=All versions < V5.5.0
Siemens · SCALANCE XF206-1version=All versions < V5.2.5
Siemens · SCALANCE X200-4P IRTversion=All versions < V5.5.0
Siemens · SCALANCE X212-2version=All versions < V5.2.5

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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')
T1539Steal Web Session Cookie

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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