CVE-2017-16953

Current Description

connoppp.cgi on ZTE ZXDSL 831CII devices does not require HTTP Basic Authentication, which allows remote attackers to modify the PPPoE configuration or set up a malicious configuration via a GET request.

Basic Data

PublishedDecember 01, 2017
Last ModifiedDecember 28, 2017
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-287
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactNONE
CVSS 2 - Base Score5.0
SeverityMEDIUM
Exploitability Score10.0
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

CVSS 3 - Version3.0
CVSS 3 - Vector StringCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3 - Attack VectorNETWORK
CVSS 3 - Attack ComplexityLOW
CVSS 3 - Privileges RequiredNONE
CVSS 3 - User InteractionNONE
CVSS 3 - ScopeUNCHANGED
CVSS 3 - Confidentiality ImpactNONE
CVSS 3 - Integrity ImpactHIGH
CVSS 3 - Availability ImpactNONE
CVSS 3 - Base Score7.5
CVSS 3 - Base SeverityHIGH
Exploitability Score3.9
Base SeverityHIGH

Configurations

  • AND
    • OR - Configuration 1
      Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
      2.3OSZteZxdsl 831cii Firmware-*******
    • OR Running on/with:
      Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
      2.3HardwareZteZxdsl 831cii-*******

Vulnerable Software List

VendorProductVersions
Zte Zxdsl 831cii Firmware -

References

NameSourceURLTags
http://packetstormsecurity.com/files/145121/ZTE-ZXDSL-831-Unauthorized-Configuration-Access-Bypass.htmlhttp://packetstormsecurity.com/files/145121/ZTE-ZXDSL-831-Unauthorized-Configuration-Access-Bypass.hMISCExploit Third Party Advisory VDB Entry
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1008762http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1008762CONFIRM
43188https://www.exploit-db.com/exploits/43188/EXPLOIT-DBThird Party Advisory VDB Entry