How severe is CVE-2017-12735?

CVE-2017-12735 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2017-12735 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12735?

CVE-2017-12735 affects Siemens Logo! 8 Bm Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12735?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-12735 published?

CVE-2017-12735 was published on 2017-08-30 and last updated on 2026-06-17.

CVE-2017-12735

CVE-2017-12735 is a high-severity vulnerability in Siemens Logo! 8 Bm Firmware with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-300.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 5.8
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-300
Affected product: Siemens Logo! 8 Bm Firmware
Published: 2017-08-30
Last modified: 2026-06-17

Description

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). An attacker who performs a Man-in-the-Middle attack between the LOGO! BM and other devices could potentially decrypt and modify network traffic.

Frequently asked questions

What is CVE-2017-12735?: A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). An attacker who performs a Man-in-the-Middle attack between the LOGO! BM and other devices could potentially decrypt and modify network traffic.
How severe is CVE-2017-12735?: CVE-2017-12735 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2017-12735 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12735?: CVE-2017-12735 affects Siemens Logo! 8 Bm Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12735?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-12735 published?: CVE-2017-12735 was published on 2017-08-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:siemens:logo\!_8_bm_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Logo! 8 Bm Firmware

CVE-2022-36361 — Critical (CVSS 9.8): A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA1) (All versions), LOGO! 12/24RCEo…
CVE-2020-25228 — Critical (CVSS 9.8): A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). A service available on…
CVE-2020-7593 — Critical (CVSS 9.8): A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl.…
CVE-2020-7589 — Critical (CVSS 9.1): A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions). The vulnerability could lead…
CVE-2020-25234 — High (CVSS 7.7): A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3), LOGO! Soft Comfort…
CVE-2022-36362 — High (CVSS 7.5): A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA1) (All versions), LOGO! 12/24RCE…

All CVEs affecting Siemens Logo! 8 Bm Firmware →

Other CWE-300 vulnerabilities

CVE-2023-31004 — High (CVSS 8.3): IBM Security Access Manager Container (IBM Security Verify Access Appliance 10.0.0.0 through 10.0.6.1 and IBM Security…
CVE-2024-31206 — High (CVSS 8.2): dectalk-tts is a Node package to interact with the aeiou Dectalk web API. In `[email protected]`, network requests to…
CVE-2025-31214 — High (CVSS 8.1): This issue was addressed through improved state management. This issue is fixed in iOS 18.5 and iPadOS 18.5. An…
CVE-2024-36553 — High (CVSS 8.1): Forever KidsWatch Call Me KW-50 R36_YDR_A3PW_GM7S_V1.0_2019_07_15_16.19.24_cob_h is vulnerable to MITM attack.
CVE-2021-21953 — High (CVSS 8.1): An authentication bypass vulnerability exists in the process_msg() function of the home_security binary of Anker Eufy…
CVE-2021-41033 — High (CVSS 8.1): In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021), installation can be…

Browse all CWE-300 vulnerabilities →