CVE-2024-35211

Session-cookie exposure via missing security attributes

Published Jun 11, 2024 · Updated Feb 11, 2025

Sensitive-cookie exposure in Siemens SINEC Traffic Analyzer before 1.2 allows local authenticated users to compromise session cookies. After successful login, the web server sets the browser's session cookie without the Secure, HttpOnly, or SameSite attributes. The weakness exposes authenticated session state, with no reported ability to alter data or interrupt the service.

CVSS severity6.8
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive-cookie exposure in Siemens SINEC Traffic Analyzer before 1.2 allows local authenticated users to compromise session cookies. After successful login, the web server sets the browser's session cookie without the Secure, HttpOnly, or SameSite attributes. The weakness exposes authenticated session state, with no reported ability to alter data or interrupt the service.

The record

CVE
CVE-2024-35211
Published
Jun 11, 2024
Updated
Feb 11, 2025
Vendor
Siemens
Product
SINEC Traffic Analyzer
Classifications
CWE-614, T1539
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 11, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 11, 2025Record 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=0 <V1.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Siemens · SINEC Traffic Analyzerversion=0 <V1.2

Published CVSS scores

5.5Siemens AGCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.8Siemens AGCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA: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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-614Sensitive Cookie in HTTPS Session Without 'Secure' Attribute
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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