CVE-2014-1699

mediumpriority · track · 21EPSS 0.021 · 82 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.14% (82nd) EPSS

CVSS 5 · medium

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Siemens SIMATIC WinCC OA before 3.12 P002 January allows remote attackers to cause a denial of service (monitoring-service outage) via malformed HTTP requests to port 4999.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationSIMATIC WinCC OAcisa_csaf_ot
Siemens recommends updating to SIMATIC WinCC OA v3.12 and to install patch P002 January

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · CISA US

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · FSTEC (BDU) RU

v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimaryCWE-20USCWE-399US

affected products (5)

Products and version ranges known to be affected.

Siemens SIMATIC WinCC OA: <3.12_P002all versionscisa_csaf_otUS
Siemens SIMATIC WinCC OA< 3.12_P002cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
Siemens AG SIMATIC WinCC OA≤ 3.12fstec_bduRU
siemens simatic wincc open architecture≤ 3.12nvdUScpe:2.3:a:siemens:simatic_wincc_open_architecture:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-14-035-01Siemens SIMATIC WinCC OA Multiple Vulnerabilities2014-11-07icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (10)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2014-02-07modified 2026-06-17

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+3721 more

references (14)

External citations — patches, advisories, analysis.

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