CVE-2015-7256
ZyXEL Unique Certificates and SSH Host Keys761
Description
ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys.
INFO
Published Date :
Sept. 28, 2017, 1:29 a.m.
Last Modified :
Oct. 11, 2017, 5:59 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Affected Products
The following products are affected by CVE-2015-7256
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-7256.
| URL | Resource |
|---|---|
| http://www.kb.cert.org/vuls/id/566724 | Third Party Advisory US Government Resource |
| http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-7256 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-7256 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Oct. 11, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml No Types Assigned http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml Vendor Advisory Changed Reference Type http://www.kb.cert.org/vuls/id/566724 No Types Assigned http://www.kb.cert.org/vuls/id/566724 Third Party Advisory, US Government Resource Added CWE CWE-310 Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1100-n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:nwa1100-n:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1100-nh_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:nwa1100-nh:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1121-ni_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:nwa1121-ni:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1123-ac_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:nwa1123-ac:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1123-ni_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:nwa1123-ni:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:p-660hn-51_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:p-660hn-51:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:p-663hn-51_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:p-663hn-51:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg1312-b10a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg1312-b10a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg1312-b30a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg1312-b30a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg1312-b30b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg1312-b30b:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg4380-b10a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg4380-b10a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg8324-b10a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg8324-b10a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg8924-b10a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg8924-b10a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg8924-b30a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg8924-b30a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vsg1435-b101_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vsg1435-b101:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pmg5318-b20a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pmg5318-b20a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:sbg3300-n000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:sbg3300-n000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:sbg3300-nb00_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:sbg3300-nb00:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:sbg3500-n000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:sbg3500-n000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-8_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:gs1900-8:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-24_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:gs1900-24:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:c1000z_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:c1000z:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:q1000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:q1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:fr1000z_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:fr1000z:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:p8702n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:p8702n:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 29, 2017
Action Type Old Value New Value Changed Description ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, NWA1123-NI Access Points, P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, VSG1435-B101 DSL CPEs, PMG5318-B20A GPON, SBG3300-N000, SBG3300-NB00, SBG3500-N000 Small Business Gateways, GS1900-8, GS1900-24 Switchs, and C1000Z, Q1000, FR1000Z, P8702N Project Models use non-unique X.509 certificates and SSH host keys. ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-7256 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-7256
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.00%
score
0.37446
percentile