A vulnerability was discovered in Siemens SIMATIC WinCC Sm@rtClient for Android (All versions before V1.0.2.2).
A vulnerability was discovered in Siemens SIMATIC WinCC Sm@rtClient for Android (All versions before V1.0.2.2). The existing TLS protocol implementation could allow an attacker to read and modify data within a TLS session while performing a Man-in-the-Middle (MitM) attack.
- Published
- Aug 7, 2017
- Updated
- Jun 16, 2026
- EPSS
- 0.9% · 60th percentile
- CWE
- CWE-300
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Report tools
Action score
29
Monitor
Low priority for now.
- CVSS
- 29 / 40 · 7.4 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.9%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| siemens | simatic wincc sm\@rtclient | cpe:2.3:a:siemens:simatic_wincc_sm\@rtclient |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- siemens simatic wincc sm@rtclientup to 1.0.2.1 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (siemens). Independent of NVD's CPE analysis and usually ahead of it.
n/a SIMATIC WinCC Sm@rtClient for Android
- SIMATIC WinCC Sm@rtClient for Androidaffected
Same product
siemens: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-6871A vulnerability was discovered in Siemens SIMATIC WinCC Sm@rtClient for Android (All versions before V1.0.2.2) and SIMATIC WinCC Sm@rtClient21Monitor
- CVE-2015-5084The Siemens SIMATIC WinCC Sm@rtClient and Sm@rtClient Lite applications before 01.00.01.00 for Android do not properly store passwords, whic8Monitor
- CVE-2014-5231The Siemens SIMATIC WinCC Sm@rtClient app before 1.0.2 for iOS allows physically proximate attackers to extract the password from storage vi8Monitor
- CVE-2014-5233The Siemens SIMATIC WinCC Sm@rtClient app before 1.0.2 for iOS allows physically proximate attackers to discover Sm@rtServer credentials by 7Monitor
- CVE-2014-5232The Siemens SIMATIC WinCC Sm@rtClient app before 1.0.2 for iOS allows local users to bypass an intended application-password requirement by 7Monitor
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
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- none
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- None
Weakness class (CWE)
CWE-300 · Channel Accessible by Non-EndpointCVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
nvd-primary
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)
- Leveraging Active Adversary in the Middle Attacks to Bypass Same Origin PolicyCAPEC-466Medium
- Utilizing REST's Trust in the System Resource to Obtain Sensitive DataCAPEC-57likelihood: Medium · Very High
- DNS BlockingCAPEC-589
- IP Address BlockingCAPEC-590likelihood: Low · High
- WiFi MAC Address TrackingCAPEC-612Low
- WiFi SSID TrackingCAPEC-613Low
- Evil Twin Wi-Fi AttackCAPEC-615Low
- Adversary in the Browser (AiTB)CAPEC-662likelihood: High · Very High
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/99582
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-589378.pdf
Vendor advisories and official records. Exploit/PoC links are deliberately left out.