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TI-2019-04636 Aliases CVE-2019-6584GHSA-ggxx-jp5j-2gq2

Session fixation in SIEMENS LOGO!8

Priority MEDIUM 41CWE-384Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing, Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-384 and CWE-613.

Summary

A vulnerability has been identified in SIEMENS LOGO!8 (6ED1052-xyyxx-0BA8 FS:01 to FS:06 / Firmware version V1.80.xx and V1.81.xx), SIEMENS LOGO!8 (6ED1052-xyy08-0BA0 FS:01 / Firmware version < V1.82.02). The integrated webserver does not invalidate the Session ID upon user logout. An attacker that successfully extracted a valid Session ID is able to use it even after the user logs out. The security vulnerability could be exploited by an attacker in a privileged network position who is able to read the communication between the affected device and the user or by an attacker who is able to obtain valid Session IDs through other means. The user must invoke a session to the affected device. At the time of advisory publication no public exploitation of this security vulnerability was known.

Why it matters now

EPSS 0.0127 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSIEMENS LOGO!86ED1052-xyyxx-0BA8 FS:01 to FS:06 / Firmware version V1.80.xx and V1.81.xx—No fix listedCNA
SiemensSIEMENS LOGO!86ED1052-xyy08-0BA0 FS:01 / Firmware version < V1.82.02—No fix listedCNA
  • SIEMENS LOGO!8 VendorSiemens Affected 6ED1052-xyyxx-0BA8 FS:01 to FS:06 / Firmware version V1.80.xx and V1.81.xx Fixed in — No fix listed CNA
  • SIEMENS LOGO!8 VendorSiemens Affected 6ED1052-xyy08-0BA0 FS:01 / Firmware version < V1.82.02 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:siemens:logo\!8_firmware:*:*:*:*:*:*:*:*1.80.00 – 1.81.00VulnerableSiemens
cpe:2.3:h:siemens:logo\!8:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
cpe:2.3:o:siemens:logo\!8_firmware:*:*:*:*:*:*:*:*before 1.82.00VulnerableSiemens
  • cpe:2.3:o:siemens:logo\!8_firmware:*:*:*:*:*:*:*:* Versions 1.80.00 – 1.81.00 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:logo\!8:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
  • cpe:2.3:o:siemens:logo\!8_firmware:*:*:*:*:*:*:*:* Versions before 1.82.00 Vulnerable ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-6584
  2. 2026-10-03 Alias added: GHSA-ggxx-jp5j-2gq2

References

Patch 1

  • TI-2019-04625 Memory corruption in SIEMENS LOGO!8 CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences