CVE-2017-13099

mediumpriority · track · 44EPSS 0.274 · 98 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

27.4% (98th) EPSS

CVSS 4.3 · medium

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-26

wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable wolfSSL application. This vulnerability is referred to as "ROBOT."

remediations

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

A vendor fix is available.

FixedSCALANCE W1750Dcisa_csaf_ot
Update to V8.3.0.1 - Download: https://support.industry.siemens.com/cs/us/en/view/109760581
https://support.industry.siemens.com/cs/us/en/view/109760581
MitigationSCALANCE W1750Dcisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict access to the web interface of the affected devices.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.5

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:Csecondary · CISA US

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · cret@cert.org USexploitability 3.9 · impact 3.6

v3.05.8mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-203USprimaryCWE-203US

exploits (1)

Public proof-of-concept and weaponised exploit code.

auxiliary/scanner/ssl/bleichenbacher_oracleScanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5functional · metasploit

affected products (6)

Products and version ranges known to be affected.

SCALANCE W1750Dall versionscisa_csaf_otUS
Siemens SCALANCE W1750D< V8.3.0.1cisa_csaf_otUS
wolfSSL wolfSSL≤ <3.12.2enisa_euvdEU
arubanetworks instant< 6.5.4.6nvdUScpe:2.3:a:arubanetworks:instant:*:*:*:*:*:*:*:*
siemens scalance w1750d firmware< 8.3.0.1nvdUScpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*
wolfssl wolfssl< 3.12.2nvdUScpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-18-282-02ICSA-18-282-02 Siemens SCALANCE W1750D2018-10-09icsa · cisa_csaf_otUS
CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2017-12-13modified 2026-06-17

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+881 more

references (19)

External citations — patches, advisories, analysis.

scry

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