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Fencer Vulns
critical 9.8

CVE-2017-0889 json

paperclip Server-Side Request Forgery vulnerability

published 2017-11-13 8 y ago modified 2026-06-17 4 mo ago also GHSA-5jcf-c5rg-rmm8 , EUVD-2018-0152

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Paperclip ruby gem version 3.1.4 and later suffers from a Server-SIde Request Forgery (SSRF) vulnerability in the Paperclip::UriAdapter class. Attackers may be able to access information about internal network resources.

Patch / fix

  • rubygems paperclip 5.2.0
  • thoughtbot paperclip 5.2.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-0889 updated cvss 4.3

paperclip: SSRF vulnerability in the Paperclip::UriAdapter class

  • Red Hat CloudForms Management Engine 5 paperclip
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.05% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
rubygems paperclip
>=3.1.4, <5.2.0
5.2.0

Affected products

  • thoughtbot paperclip ruby gem

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.