HIGH
wolfSSL Bleichenbacher/ROBOT
Published Dec 13, 2017
7.5
HIGHCVSS 3.0
EPSS 24.92%
Description
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."
Affected products
-
- Version <3.12.2StatusaffectedConstraints-
- Version
Configuration 2
AND
- < 8.3.0.1
Running on/with
- n/a
Configuration 3
- < 6.5.4.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.9 MEDIUM NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
1 other source (CVE.org) ▾
7.5 HIGH CVE.org
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
24.92% 0.24922
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.24922
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (55 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 24.92% (0.24922) | 97.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 24.92% (0.24922) | 97.63th | v5 (v2026.06.15) |
| May 28, 2026 | 76.91% (0.76906) | 98.98th | v4 (v2025.03.14) |
| Mar 17, 2026 | 78.46% (0.78457) | 99.02th | v4 (v2025.03.14) |
| Mar 4, 2026 | 76.31% (0.76313) | 98.90th | v4 (v2025.03.14) |
| Mar 1, 2026 | 72.04% (0.72042) | 98.73th | v4 (v2025.03.14) |
| Feb 18, 2026 | 76.64% (0.76644) | 98.91th | v4 (v2025.03.14) |
| Feb 4, 2026 | 70.02% (0.70023) | 98.63th | v4 (v2025.03.14) |
| Feb 1, 2026 | 64.69% (0.64689) | 98.42th | v4 (v2025.03.14) |
| Jan 4, 2026 | 70.02% (0.70023) | 98.61th | v4 (v2025.03.14) |
| Jan 1, 2026 | 64.69% (0.64689) | 98.40th | v4 (v2025.03.14) |
| Dec 4, 2025 | 70.02% (0.70023) | 98.60th | v4 (v2025.03.14) |
| Dec 1, 2025 | 64.69% (0.64689) | 98.38th | v4 (v2025.03.14) |
| Nov 4, 2025 | 70.02% (0.70023) | 98.60th | v4 (v2025.03.14) |
| Nov 1, 2025 | 64.69% (0.64689) | 98.39th | v4 (v2025.03.14) |
| Oct 4, 2025 | 70.02% (0.70023) | 98.62th | v4 (v2025.03.14) |
| Oct 1, 2025 | 64.69% (0.64689) | 98.41th | v4 (v2025.03.14) |
| Sep 5, 2025 | 70.02% (0.70023) | 98.62th | v4 (v2025.03.14) |
| Sep 4, 2025 | 64.69% (0.64689) | 98.41th | v4 (v2025.03.14) |
| Sep 1, 2025 | 62.64% (0.62638) | 98.33th | v4 (v2025.03.14) |
| Aug 5, 2025 | 68.23% (0.68227) | 98.52th | v4 (v2025.03.14) |
| Aug 1, 2025 | 62.64% (0.62638) | 98.31th | v4 (v2025.03.14) |
| Jul 4, 2025 | 68.23% (0.68227) | 98.50th | v4 (v2025.03.14) |
| Jul 1, 2025 | 62.64% (0.62638) | 98.27th | v4 (v2025.03.14) |
| Jun 5, 2025 | 69.07% (0.69068) | 98.53th | v4 (v2025.03.14) |
| Jun 1, 2025 | 63.60% (0.63596) | 98.29th | v4 (v2025.03.14) |
| May 20, 2025 | 69.07% (0.69068) | 98.52th | v4 (v2025.03.14) |
| May 4, 2025 | 71.39% (0.71389) | 98.62th | v4 (v2025.03.14) |
| May 1, 2025 | 63.69% (0.63691) | 98.30th | v4 (v2025.03.14) |
| Apr 15, 2025 | 71.39% (0.71389) | 98.60th | v4 (v2025.03.14) |
| Apr 14, 2025 | 63.69% (0.63691) | 98.28th | v4 (v2025.03.14) |
| Apr 5, 2025 | 71.39% (0.71389) | 98.63th | v4 (v2025.03.14) |
| Apr 4, 2025 | 63.69% (0.63691) | 98.27th | v4 (v2025.03.14) |
| Apr 3, 2025 | 71.39% (0.71389) | 98.63th | v4 (v2025.03.14) |
| Apr 2, 2025 | 63.69% (0.63691) | 98.27th | v4 (v2025.03.14) |
| Mar 30, 2025 | 71.39% (0.71389) | 98.63th | v4 (v2025.03.14) |
| Mar 29, 2025 | 81.85% (0.81850) | 98.97th | v4 (v2025.03.14) |
| Mar 28, 2025 | 71.39% (0.71389) | 98.63th | v4 (v2025.03.14) |
| Mar 27, 2025 | 63.69% (0.63691) | 98.19th | v4 (v2025.03.14) |
| Mar 19, 2025 | 71.39% (0.71389) | 98.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 69.07% (0.69068) | 98.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00573) | 78.66th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.57% (0.00573) | 77.25th | v3 (v2023.03.01) |
| Jun 14, 2023 | 0.57% (0.00573) | 74.83th | v3 (v2023.03.01) |
| May 8, 2023 | 0.67% (0.00674) | 76.81th | v3 (v2023.03.01) |
| May 5, 2023 | 0.72% (0.00719) | 77.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.67% (0.00671) | 76.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.83% (0.09829) | 87.25th | v1 |
| Jan 6, 2022 | 9.83% (0.09829) | 87.10th | v1 |
| Sep 1, 2021 | 9.83% (0.09829) | 94.90th | v1 |
| Apr 14, 2021 | 9.83% (0.09829) | 0.00th | v1 |
Weaknesses (1)
References (6)
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-002.txt x_refsource_CONFIRMThird Party Advisory
- http://www.kb.cert.org/vuls/id/144389 third-party-advisoryx_refsource_CERT-VNIssue TrackingMitigationThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/102174 vdb-entryx_refsource_BIDIssue TrackingMitigationThird Party AdvisoryVDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-464260.pdf x_refsource_CONFIRMThird Party Advisory
- https://github.com/wolfSSL/wolfssl/pull/1229 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://robotattack.org/ x_refsource_MISCIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-002.txt | x_refsource_CONFIRMThird Party Advisory | |
| http://www.kb.cert.org/vuls/id/144389 | third-party-advisoryx_refsource_CERT-VNIssue TrackingMitigationThird Party AdvisoryUS Government Resource | |
| http://www.securityfocus.com/bid/102174 | vdb-entryx_refsource_BIDIssue TrackingMitigationThird Party AdvisoryVDB Entry | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-464260.pdf | x_refsource_CONFIRMThird Party Advisory | |
| https://github.com/wolfSSL/wolfssl/pull/1229 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://robotattack.org/ | x_refsource_MISCIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Dec 13, 2017
Updated Sep 16, 2024
Reserved Aug 22, 2017
Link CVE-2017-13099
CISA Vulnrichment
Updated n/a