Siemens SIMATIC HMI Basic Panels 2nd Generation before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Comfort Panels before WinCC (TIA Portal)
Siemens SIMATIC HMI Basic Panels 2nd Generation before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Comfort Panels before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC WinCC Runtime Advanced before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC WinCC Runtime Professional before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Basic Panels 1st Generation (WinCC TIA Portal), SIMATIC HMI Mobile Panel 277 (WinCC TIA Portal), SIMATIC HMI Multi Panels (WinCC TIA Portal), and SIMATIC WinCC 7.x before 7.3 Upd4 allow remote attackers to complete authentication by leveraging knowledge of a password hash without knowledge of the associated password.
- Published
- Apr 8, 2015
- Updated
- Jun 16, 2026
- EPSS
- 2.1% · 81th percentile
- CWE
- CWE-287
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 27 / 40 · 6.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.1%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| siemens | wincc | cpe:2.3:a:siemens:wincc |
| siemens | simatic hmi basic panels generation 1 | cpe:2.3:h:siemens:simatic_hmi_basic_panels_generation_1 |
| siemens | simatic hmi basic panels generation 2 | cpe:2.3:h:siemens:simatic_hmi_basic_panels_generation_2 |
| siemens | simatic hmi comfort panels | cpe:2.3:h:siemens:simatic_hmi_comfort_panels |
| siemens | simatic hmi mobile panel 277 | cpe:2.3:h:siemens:simatic_hmi_mobile_panel_277 |
| siemens | simatic hmi multi panels | cpe:2.3:h:siemens:simatic_hmi_multi_panels |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- siemens winccup to 13.0 inclusive
- siemens wincc7.0
- siemens wincc7.1
- siemens wincc7.2
- siemens wincc7.3
Same product
siemens: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-30897A vulnerability has been identified in SIMATIC WinCC (All versions < V7.5.2.13).31Monitor
- CVE-2013-4911Cross-site request forgery (CSRF) vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to hijack the 27Monitor
- CVE-2013-4912Open redirect vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to redirect users to arbitrary web24Monitor
- CVE-2012-3003Open redirect vulnerability in an unspecified web application in Siemens WinCC 7.0 SP3 before Update 2 allows remote attackers to redirect u24Monitor
- CVE-2012-2596The XPath functionality in unspecified web applications in Siemens WinCC 7.0 SP3 before Update 2 does not properly handle special characters22Monitor
- CVE-2015-1358The remote-management module in the (1) Multi Panels, (2) Comfort Panels, and (3) RT Advanced functionality in Siemens SIMATIC WinCC (TIA Po21Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- P · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
CWE-287 · Improper AuthenticationCVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
nvd-primary
Root cause
Authentication is added route by route instead of being enforced in one place. When a route added later bypasses the shared middleware, the session check never runs for it.
The bug in code
The whole CWE-287 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
app.use("/admin", requireSession, adminRouter);
// Route added later skips the middlewareapp.post("/admin-api/config", updateConfig);Fixed
const admin = express.Router();admin.use(requireSession, requireRole("admin"));
admin.post("/config", updateConfig);app.use("/admin", admin);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Authentication AbuseCAPEC-114Medium
- Authentication BypassCAPEC-115Medium
- Identity SpoofingCAPEC-151likelihood: Medium · Medium
- Fake the Source of DataCAPEC-194Medium
- Exploiting Trust in ClientCAPEC-22likelihood: High · High
- Utilizing REST's Trust in the System Resource to Obtain Sensitive DataCAPEC-57likelihood: Medium · Very High
- Session HijackingCAPEC-593likelihood: High · Very High
- Token ImpersonationCAPEC-633Medium
ATT&CK techniques
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/bid/74040
- www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-487246.pdf
- cert-portal.siemens.com/productcert/pdf/ssa-487246.pdf
Vendor advisories and official records. Exploit/PoC links are deliberately left out.