socat: Hard coded 1024 bit DH p parameter was not prime
Published Jan 30, 2017
5.3
MEDIUMCVSS 3.0
EPSS 2.53%
Description
The OpenSSL address implementation in Socat 1.7.3.0 and 2.0.0-b8 does not use a prime number for the DH, which makes it easier for remote attackers to obtain the shared secret.
Affected products
No data.
- 1.7.3.0
- 2.0.0
No data.
Red Hat Enterprise Linux 7
socat
Not affected
Red Hat OpenShift Enterprise 2
socat
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | socat | Not affected | n/a |
| Red Hat OpenShift Enterprise 2 | socat | Not affected | n/a |
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 1, 2026 | 2.53% (0.02529) | 84.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.53% (0.02529) | 82.79th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.35% (0.00352) | 55.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00265) | 66.65th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.27% (0.00265) | 65.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00265) | 62.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (8)
- http://www.dest-unreach.org/socat/contrib/socat-secadv7.html x_refsource_CONFIRMPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/01/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/04/1 mailing-listx_refsource_MLISTThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-2217 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1305437 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-2217
- https://security.gentoo.org/glsa/201612-23 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-2217
| Link | Providers | Tags |
|---|---|---|
| http://www.dest-unreach.org/socat/contrib/socat-secadv7.html | x_refsource_CONFIRMPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/02/01/4 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/02/04/1 | mailing-listx_refsource_MLISTThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-2217 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1305437 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-2217 | ||
| https://security.gentoo.org/glsa/201612-23 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-2217 |
Change history (0)
No recorded changes yet.