CVE-2022-27219Network attack vector

Clickjacking via missing HTTP security headers

Published Jun 14, 2022 · Updated Aug 3, 2024

Missing HTTP security headers in Siemens SINEMA Remote Connect Server before 3.0 SP2 allow remote attackers to facilitate client-side attacks. The HTTPS web server on port 443 omits general security headers that browsers use to resist framing and protocol-downgrade behavior. Exploitation requires browser user interaction, and the documented consequences are limited to aiding clickjacking, channel downgrade, and similar client-side attacks.

CVSS severity4.3
Medium
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing HTTP security headers in Siemens SINEMA Remote Connect Server before 3.0 SP2 allow remote attackers to facilitate client-side attacks. The HTTPS web server on port 443 omits general security headers that browsers use to resist framing and protocol-downgrade behavior. Exploitation requires browser user interaction, and the documented consequences are limited to aiding clickjacking, channel downgrade, and similar client-side attacks.

The record

CVE
CVE-2022-27219
Published
Jun 14, 2022
Updated
Aug 3, 2024
Vendor
Siemens
Product
SINEMA Remote Connect Server
Classifications
CWE-358, CWE-1021
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 14, 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

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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=All versions < V3.0 SP2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Siemens · SINEMA Remote Connect Serverversion=All versions < V3.0 SP2

Published CVSS scores

4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
4.2Siemens ProductCERTCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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-358Improperly Implemented Security Check for Standard
CWE-1021Improper Restriction of Rendered UI Layers or Frames

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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