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CVE-2017-0902
RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems…
- 8.1HighCVSS base score
- 4.8%Exploitation in 30 daysEPSS · top 8.1% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.
Timeline
ID reserved
By hackerone
- 9 months later
· 9 months later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.8% · top 8.1% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsrubygems-updateGHSA-73w7-6w9g-gc8w (opens in a new tab)
References
14
- USN-3685-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3553-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:0585 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-3966 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2018:0378 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1039249 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:3485 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2018:0583 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- GLSA-201710-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 100586 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32 (opens in a new tab)x_refsource_MISCx_transferred
- https://hackerone.com/reports/218088 (opens in a new tab)x_refsource_MISCx_transferred
- http://blog.rubygems.org/2017/08/27/2.6.13-released.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-2905 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-73w7-6w9g-gc8w (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-0902)Record last updated .