8.4

CVE-2024-30191: siemens scalance_w1748-1_m12_firmware Authentication Bypass by Spoofing

CVSS: 8.4v3.1HighDeferred
Published 09-04-2024Last modified 27-08-2024

Vulnerability summary

CVE-2024-30191 is a high (CVSS 8.4) Authentication Bypass by Spoofing vulnerability in siemens scalance_w1748-1_m12_firmware. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.2% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.4/10
010
High · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-04-2024
    PublishedVulnerability first disclosed.
  2. 27-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in SCALANCE W1748-1 M12 (6GK5748-1GY01-0AA0), SCALANCE W1748-1 M12 (6GK5748-1GY01-0TA0), SCALANCE W1788-1 M12 (6GK5788-1GY01-0AA0), SCALANCE W1788-2 EEC M12 (6GK5788-2GY01-0TA0), SCALANCE W1788-2 M12 (6GK5788-2GY01-0AA0), SCALANCE W1788-2IA M12 (6GK5788-2HY01-0AA0), SCALANCE W721-1 RJ45 (6GK5721-1FC00-0AA0), SCALANCE W721-1 RJ45 (6GK5721-1FC00-0AB0), SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AA0), SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AB0), SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AC0), SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AA0), SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AA6), SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AB0), SCALANCE W734-1 RJ45 (USA) (6GK5734-1FX00-0AB6), SCALANCE W738-1 M12 (6GK5738-1GY00-0AA0), SCALANCE W738-1 M12 (6GK5738-1GY00-0AB0), SCALANCE W748-1 M12 (6GK5748-1GD00-0AA0), SCALANCE W748-1 M12 (6GK5748-1GD00-0AB0), SCALANCE W748-1 RJ45 (6GK5748-1FC00-0AA0), SCALANCE W748-1 RJ45 (6GK5748-1FC00-0AB0), SCALANCE W761-1 RJ45 (6GK5761-1FC00-0AA0), SCALANCE W761-1 RJ45 (6GK5761-1FC00-0AB0), SCALANCE W774-1 M12 EEC (6GK5774-1FY00-0TA0), SCALANCE W774-1 M12 EEC (6GK5774-1FY00-0TB0), SCALANCE W774-1 RJ45 (6GK5774-1FX00-0AA0), SCALANCE W774-1 RJ45 (6GK5774-1FX00-0AA6), SCALANCE W774-1 RJ45 (6GK5774-1FX00-0AB0), SCALANCE W774-1 RJ45 (6GK5774-1FX00-0AC0), SCALANCE W774-1 RJ45 (USA) (6GK5774-1FX00-0AB6), SCALANCE W778-1 M12 (6GK5778-1GY00-0AA0), SCALANCE W778-1 M12 (6GK5778-1GY00-0AB0), SCALANCE W778-1 M12 EEC (6GK5778-1GY00-0TA0), SCALANCE W778-1 M12 EEC (USA) (6GK5778-1GY00-0TB0), SCALANCE W786-1 RJ45 (6GK5786-1FC00-0AA0), SCALANCE W786-1 RJ45 (6GK5786-1FC00-0AB0), SCALANCE W786-2 RJ45 (6GK5786-2FC00-0AA0), SCALANCE W786-2 RJ45 (6GK5786-2FC00-0AB0), SCALANCE W786-2 RJ45 (6GK5786-2FC00-0AC0), SCALANCE W786-2 SFP (6GK5786-2FE00-0AA0), SCALANCE W786-2 SFP (6GK5786-2FE00-0AB0), SCALANCE W786-2IA RJ45 (6GK5786-2HC00-0AA0), SCALANCE W786-2IA RJ45 (6GK5786-2HC00-0AB0), SCALANCE W788-1 M12 (6GK5788-1GD00-0AA0), SCALANCE W788-1 M12 (6GK5788-1GD00-0AB0), SCALANCE W788-1 RJ45 (6GK5788-1FC00-0AA0), SCALANCE W788-1 RJ45 (6GK5788-1FC00-0AB0), SCALANCE W788-2 M12 (6GK5788-2GD00-0AA0), SCALANCE W788-2 M12 (6GK5788-2GD00-0AB0), SCALANCE W788-2 M12 EEC (6GK5788-2GD00-0TA0), SCALANCE W788-2 M12 EEC (6GK5788-2GD00-0TB0), SCALANCE W788-2 M12 EEC (6GK5788-2GD00-0TC0), SCALANCE W788-2 RJ45 (6GK5788-2FC00-0AA0), SCALANCE W788-2 RJ45 (6GK5788-2FC00-0AB0), SCALANCE W788-2 RJ45 (6GK5788-2FC00-0AC0), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0), SCALANCE WAM766-1 (EU) (6GK5766-1GE00-7DA0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0), SCALANCE WAM766-1 EEC (EU) (6GK5766-1GE00-7TA0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0), SCALANCE WUM766-1 (EU) (6GK5766-1GE00-3DA0), SCALANCE WUM766-1 (US) (6GK5766-1GE00-3DB0). This CVE refers to Scenario 3 "Override client’s security context" of CVE-2022-47522. Affected devices can be tricked into associating a newly negotiated, attacker-controlled, security context with frames belonging to a victim. This could allow a physically proximate attacker to decrypt frames meant for the victim.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens36 products

1 vendor · 36 products

References

1 links