Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2011-4877 — Improper Input Validation in Siemens Simatic HMI Panels

CWE-20 — Improper Input Validation5 documents4 sources
Severity
7.1HIGHNVD
EPSS
21.9%
top 4.23%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
4
Siemens Simatic HMI PanelsSiemens WinccSiemens Wincc Flexible+1 more
Timeline
PublishedFeb 3
Latest updateMay 17

Description

HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime, when Transfer Mode is enabled, allows remote attackers to cause a denial of service (application crash) by sending crafted data over TCP.

CVSS vector

AV:N/AC:M/C:N/I:N/A:CExploitability: 8.6 | Impact: 6.9

Affected Packages4 packages

▶NVDsiemens/wincc_flexible4 versions+3
▶NVDsiemens/winccv11
▶NVDsiemens/simatic_hmi_panels5 versions+4

🔴Vulnerability Details

2
GHSA
GHSA-8wq6-wppf-wxxh: HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mo↗2022-05-17
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CVEList
CVE-2011-4877: HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mo↗2012-02-03
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💥Exploits & PoCs

2
Exploit-DB
FlatnuX CMS - Cross-Site Request Forgery (Add Admin)↗2012-04-01
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Exploit-DB
Siemens SIMATIC WinCC Flexible (Runtime) - Multiple Vulnerabilities↗2011-11-28
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CVE-2011-4877 — Improper Input Validation in Siemens | cvebase