MEDIUM
wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate
Published Apr 22, 2014
5.8
MEDIUMCVSS 2.0
EPSS 0.97%
Description
wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.
Affected products
No data.
OR
- ≤ 2.9.0
- 0.2.0
- 0.3.0
- 0.4.0
- 0.5.0
- 0.5.5
- 0.6.0
- 0.6.2
- 0.6.3
- 0.8.0
- 0.9.0
- 0.9.6
- 0.9.8
- 0.9.9
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.2
- 1.0.3
- 1.0.6
- 1.1.0
- 1.2.0
- 1.3.0
- 1.4.0
- 1.5.0
- 1.5.4
- 1.5.6
- 1.6.0
- 1.6.5
- 1.8.0
- 1.9.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.2
- 2.0.6
- 2.0.8
- 2.2.0
- 2.3.0
- 2.4.0
- 2.4.6
- 2.5.0
- 2.6.0
- 2.7.0
- 2.8.0
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.
No CVSS v3.0 score for this CVE.
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.97% 0.00965
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.00965
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.97% (0.00965) | 60.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.96% (0.00957) | 56.66th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.29% (0.00285) | 49.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00140) | 51.21th | v3 (v2023.03.01) |
| Dec 9, 2023 | 0.14% (0.00140) | 49.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00138) | 47.43th | 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) |
Weaknesses (1)
References (7)
- http://seclists.org/oss-sec/2014/q2/126 mailing-listx_refsource_MLIST
- http://seclists.org/oss-sec/2014/q2/130 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/57743 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securityfocus.com/bid/66780 vdb-entryx_refsource_BID
- http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html x_refsource_CONFIRMVendor Advisory
- http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html x_refsource_CONFIRM
- https://security.gentoo.org/glsa/201612-53 vendor-advisoryx_refsource_GENTOO
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/oss-sec/2014/q2/126 | mailing-listx_refsource_MLIST | |
| http://seclists.org/oss-sec/2014/q2/130 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/57743 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securityfocus.com/bid/66780 | vdb-entryx_refsource_BID | |
| http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html | x_refsource_CONFIRM | |
| https://security.gentoo.org/glsa/201612-53 | vendor-advisoryx_refsource_GENTOO |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 22, 2014
Updated Aug 6, 2024
Reserved Apr 18, 2014
Link CVE-2014-2900
CISA Vulnrichment
Updated n/a