Is CVE-2012-4879 being actively exploited?

CVE-2012-4879 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-4879?

CVE-2012-4879 has a CVSS 2.0 base score of 10.0 (HIGH).

CVE-2012-4879

HIGH · CVSS 10.0EPSS 3.2%EU EUVD

The Linux Console on the WAGO I/O System 758 model 758-870, 758-874, 758-875, and 758-876 Industrial PC (IPC) devices has a default password of wago for the (1) root and (2) admin accounts, (3) a default password of user for the user account, and (4) a default password of guest for the guest account, which makes it easier for remote attackers to obtain login access via a TELNET session, a different vulnerability than CVE-2012-3013.

Key facts

CVSS score: 10.0 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-255
EPSS score: 3.2% (88th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-4804)
Published: September 7, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-4804 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

wago / wago i/o system 758 industrial pc device
wago / wago i/o system 758 industrial pc device
wago / wago i/o system 758 industrial pc device
wago / wago i/o system 758 industrial pc device

References

http://www.us-cert.gov/control_systems/pdf/ICSA-12-249-02.pdf(US Government Resource)
http://www.wago.com/wagoweb/documentation/app_note/a1176/a117600e.pdf(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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