HOMEVULNERABILITIESCVE-2012-4879
CRITICAL

CVE-2012-4879

CWE-255Published: September 7, 2012· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2012-4879 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

wago1 product(s)
wago i\/o system 758 industrial pc device
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.wago.com/wagoweb/documentation/app_note/a1176/a117600e.pdf
ADVISORYhttp://www.wago.com/wagoweb/documentation/app_note/a1176/a117600e.pdf

All References (4)

→
http://www.us-cert.gov/control_systems/pdf/ICSA-12-249-02.pdfUS Government Resource
→
http://www.wago.com/wagoweb/documentation/app_note/a1176/a117600e.pdfVendor Advisory
→
http://www.us-cert.gov/control_systems/pdf/ICSA-12-249-02.pdfUS Government Resource
→
http://www.wago.com/wagoweb/documentation/app_note/a1176/a117600e.pdfVendor Advisory

Quick Facts

CVE IDCVE-2012-4879
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-255
CISA KEVNo
Affected1 vendor(s)
PublishedSep 7, 2012

Related CVEs (CWE-255)

CVE-2010-1760
10.0
CVE-2010-0444
10.0
CVE-2010-2976
10.0
CVE-2010-0595
10.0
CVE-2009-4463
10.0
CVE-2010-3038
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2012-4879 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2012-4879·NVD