CVE-2022-37011Network attack vector

Authentication bypass via captured-packet replay

Published Sep 13, 2022 · Updated Aug 3, 2024

Authentication bypass in Siemens Mendix SAML before 1.17.0, 2.3.0, 3.3.0, or 3.3.1 allows remote attackers to access applications. The module accepts replayed SAML authentication packets without sufficient replay protection. Exploitation requires a captured authentication packet, and IdP-initiated authentication is a nondefault configuration associated with continuing replay exposure.

CVSS severity7.4
High
EPSS probability1.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Siemens Mendix SAML before 1.17.0, 2.3.0, 3.3.0, or 3.3.1 allows remote attackers to access applications. The module accepts replayed SAML authentication packets without sufficient replay protection. Exploitation requires a captured authentication packet, and IdP-initiated authentication is a nondefault configuration associated with continuing replay exposure.

The record

CVE
CVE-2022-37011
Published
Sep 13, 2022
Updated
Aug 3, 2024
Vendor
Siemens
Product
Mendix SAML
Classifications
CWE-294, T1550
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 13, 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 < V1.17.0
  2. Affected versionversion=All versions < V2.3.0
  3. Affected versionversion=All versions < V3.3.0
  4. Affected versionversion=All versions < V3.3.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Siemens · Mendix SAMLversion=All versions < V1.17.0; version=All versions < V2.3.0; version=All versions < V3.3.0; version=All versions < V3.3.1

Published CVSS scores

7.4Siemens ProductCERTCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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-294Authentication Bypass by Capture-replay
T1550Use Alternate Authentication Material

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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