PT-2026-39977 · Siemens · Siprotec 5 6Md89+18

Published 2026-05-12 · Updated 2026-05-14 · CVE-2024-54017

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions SIPROTEC 5 6MD84 (CP300) versions prior to V11.0 SIPROTEC 5 6MD85 (CP200) (affected versions not specified) SIPROTEC 5 6MD85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 6MD86 (CP200) (affected versions not specified) SIPROTEC 5 6MD86 (CP300) versions V7.80 through V11.0 SIPROTEC 5 6MD89 (CP300) versions V7.80 through V11.0 SIPROTEC 5 6MU85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7KE85 (CP200) (affected versions not specified) SIPROTEC 5 7KE85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SA82 (CP100) versions V7.80 and later SIPROTEC 5 7SA82 (CP150) versions prior to V11.0 SIPROTEC 5 7SA84 (CP200) (affected versions not specified) SIPROTEC 5 7SA86 (CP200) (affected versions not specified) SIPROTEC 5 7SA86 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SA87 (CP200) (affected versions not specified) SIPROTEC 5 7SA87 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SD82 (CP100) versions V7.80 and later SIPROTEC 5 7SD82 (CP150) versions prior to V11.0 SIPROTEC 5 7SD84 (CP200) (affected versions not specified) SIPROTEC 5 7SD86 (CP200) (affected versions not specified) SIPROTEC 5 7SD86 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SD87 (CP200) (affected versions not specified) SIPROTEC 5 7SD87 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SJ81 (CP100) versions V7.80 and later SIPROTEC 5 7SJ81 (CP150) versions prior to V11.0 SIPROTEC 5 7SJ82 (CP100) versions V7.80 and later SIPROTEC 5 7SJ82 (CP150) versions prior to V11.0 SIPROTEC 5 7SJ85 (CP200) (affected versions not specified) SIPROTEC 5 7SJ85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SJ86 (CP200) (affected versions not specified) SIPROTEC 5 7SJ86 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SK82 (CP100) versions V7.80 and later SIPROTEC 5 7SK82 (CP150) versions prior to V11.0 SIPROTEC 5 7SK85 (CP200) (affected versions not specified) SIPROTEC 5 7SK85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SL82 (CP100) versions V7.80 and later SIPROTEC 5 7SL82 (CP150) versions prior to V11.0 SIPROTEC 5 7SL86 (CP200) (affected versions not specified) SIPROTEC 5 7SL86 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SL87 (CP200) (affected versions not specified) SIPROTEC 5 7SL87 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7SS85 (CP200) (affected versions not specified) SIPROTEC 5 7SS85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7ST85 (CP200) (affected versions not specified) SIPROTEC 5 7ST85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7ST86 (CP300) versions prior to V11.0 SIPROTEC 5 7SX82 (CP150) versions prior to V11.0 SIPROTEC 5 7SX85 (CP300) versions prior to V11.0 SIPROTEC 5 7SY82 (CP150) versions prior to V11.0 SIPROTEC 5 7UM85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7UT82 (CP100) versions V7.80 and later SIPROTEC 5 7UT82 (CP150) versions prior to V11.0 SIPROTEC 5 7UT85 (CP200) (affected versions not specified) SIPROTEC 5 7UT85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7UT86 (CP200) (affected versions not specified) SIPROTEC 5 7UT86 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7UT87 (CP200) (affected versions not specified) SIPROTEC 5 7UT87 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7VE85 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7VK87 (CP200) (affected versions not specified) SIPROTEC 5 7VK87 (CP300) versions V7.80 through V11.0 SIPROTEC 5 7VU85 (CP300) versions prior to V11.0 SIPROTEC 5 Compact 7SX800 (CP050) versions prior to V11.0

Description Devices do not use sufficiently random values when creating session identifiers. This allows an unauthenticated remote attacker to brute force a session identifier and gain unauthorized read access to limited information from the web server.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-334

Related Identifiers

BDU:2026-09048

CVE-2024-54017

Affected Products

Siprotec 5 6Md84

Siprotec 5 6Md85

Siprotec 5 6Md86

Siprotec 5 6Md89

Siprotec 5 7Ke85

Siprotec 5 7Sa82

Siprotec 5 7Sa84

Siprotec 5 7Sa86

Siprotec 5 7Sa87

Siprotec 5 7Sd84

Siprotec 5 7Sj81

Siprotec 5 7Sj85

Siprotec 5 7St85

Siprotec 5 7St86

Siprotec 5 7Um85

Siprotec 5 7Ut82

Siprotec 5 7Ut87

Siprotec 5 7Vk87

Siprotec 5 Compact 7Sx800

References · 4

• https://bdu.fstec.ru/vul/2026-09048 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-54017 · Security Note
• https://twitter.com/windowsforum/status/2054958903587168596 · Twitter Post
• https://cert-portal.siemens.com/productcert/html/ssa-786884.html · Note