CVE-2012-1803Ruggedcom Rugged Operating System Vulnerability
RuggedCom Rugged Operating System (ROS) 3.10.x and earlier has a factory account with a password derived from the MAC Address field in the banner, which makes it easier for remote attackers to obtain access by performing a calculation on this address value, and then establishing…
Published Apr 27, 2012 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2012-1803 is a high-severity vulnerability (CVSS 8.5 v2) affecting Ruggedcom Rugged Operating System (Siemens).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 49% probability of exploitation in the next 30 days.
- Fixed versions are available, including Ruggedcom Rugged Operating System 3.10.1.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
8.5
AV:N/AC:M/Au:S/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
49%
Higher than 98.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
50/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
- advisoryhttp://arstechnica.com/business/news/2012/04/backdoor-in-mission-critical-hardware-threatens-power-traffic-control-systems.ars
- advisoryhttp://ics-cert.us-cert.gov/advisories/ICSA-12-146-01A
- advisoryruggedcom-operating-system-backdoor(75120)
- advisoryVU#889195
- advisoryhttp://www.kb.cert.org/vuls/id/MAPG-8RCPEN
- advisoryhttp://www.ruggedcom.com/productbulletin/ros-security-page/
Description
RuggedCom Rugged Operating System (ROS) 3.10.x and earlier has a factory account with a password derived from the MAC Address field in the banner, which makes it easier for remote attackers to obtain access by performing a calculation on this address value, and then establishing a (1) TELNET, (2) remote shell (aka rsh), or (3) serial-console session.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Ruggedcom Rugged Operating SystemSiemens | See advisory | 3.10.1 |
Patched Releases
Ruggedcom Rugged Operating System
3.10.1
Timeline
Publicly disclosed
Apr 27, 2012
Last updated
Apr 28, 2026
Weakness Type
- CWE-310
References
- advisoryarstechnica.com · backdoor-in-mission-critical-hardware-threatens…
- advisoryics-cert.us-cert.gov · ICSA-12-146-01A
- advisoryruggedcom-operating-system-backdoor(75120)
- advisoryVU#889195
- advisorykb.cert.org · MAPG-8RCPEN
FAQ
Common Questions.
RuggedCom Rugged Operating System (ROS) 3.10.x and earlier has a factory account with a password derived from the MAC Address field in the banner, which makes it easier for remote attackers to obtain access by performing a calculation on this address value, and then establishing a (1) TELNET, (2) remote shell (aka rsh…
Affected: Ruggedcom Rugged Operating System (Siemens). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Ruggedcom Rugged Operating System 3.10.1.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2012-1803 On Your Attack Surface?
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