How severe is CVE-2012-4697?

CVE-2012-4697 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-4697 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4697?

CVE-2012-4697 primarily affects Turck Bl20 Programmable Gateway. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4697?

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

When was CVE-2012-4697 published?

CVE-2012-4697 was published on 2013-05-23 and last updated on 2026-06-16.

CVE-2012-4697

CVE-2012-4697 is a critical-severity vulnerability in Turck Bl20 Programmable Gateway with a CVSS 2.0 base score of 10.0. 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-255.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Turck Bl20 Programmable Gateway
Published: 2013-05-23
Last modified: 2026-06-16

Description

TURCK BL20 Programmable Gateway and BL67 Programmable Gateway have hardcoded accounts, which allows remote attackers to obtain administrative access via an FTP session.

Frequently asked questions

What is CVE-2012-4697?: TURCK BL20 Programmable Gateway and BL67 Programmable Gateway have hardcoded accounts, which allows remote attackers to obtain administrative access via an FTP session.
How severe is CVE-2012-4697?: CVE-2012-4697 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2012-4697 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4697?: CVE-2012-4697 primarily affects Turck Bl20 Programmable Gateway. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4697?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-4697 published?: CVE-2012-4697 was published on 2013-05-23 and last updated on 2026-06-16.

References

http://ics-cert.us-cert.gov/advisories/ICSA-13-136-01

Affected products (4)

cpe:2.3:h:turck:bl20_programmable_gateway:-:*:*:*:*:*:*:*
cpe:2.3:h:turck:bl67_programmable_gateway:-:*:*:*:*:*:*:*
cpe:2.3:o:turck:bl20_programmable_gateway_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:turck:bl67_programmable_gateway_firmware:-:*:*:*:*:*:*:*

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