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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…
High7.1EPSS 7.3%
- Published
- Updated
- Reserved
- Assigned by
- certcc
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 7.3% · top 5.7% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
n/a
- affected n/a
References (8)
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf (opens in a new tab)x_refsource_MISCx_transferred
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf (opens in a new tab)x_refsource_MISCx_transferred
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- 18166 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://aluigi.org/adv/winccflex_1-adv.txt (opens in a new tab)x_refsource_MISCx_transferred
- simatic-hmiload-dos(71451) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 77382 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .