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Fencer Vulns
medium 4.3

CVE-2017-8761 json

Temporary urls leaked via logging

published 2021-06-02 5 y ago modified 2026-07-06 4 mo ago also GHSA-8fxc-qm65-vpxg , PYSEC-2026-751 , EUVD-2021-1291

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

In OpenStack Swift through 2.10.1, 2.11.0 through 2.13.0, and 2.14.0, the proxy-server logs full tempurl paths, potentially leaking reusable tempurl signatures to anyone with read access to these logs. All Swift deployments using the tempurl middleware are affected.

Patch / fix

  • pypi swift 2.15.2
  • swift Debian 14, Debian 13, Debian 12 2.17.0-2

debian advisories DEBIAN-CVE-2017-8761

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-2017-8761 updated cvss 2.2

openstack-swift: logs valid temporary urls which could result in access to data by anyone with access to the logfiles

  • Red Hat JBoss Fuse 6 openstack-swift openstack-swift Red Hat OpenStack Platform 10 (Newton) python-swift, python-swift-tests, openstack-swift-proxy, openstack-swift-object, openstack-swift-account, openstack-swift-container Red Hat OpenStack Platform 13 (Queens) python-swift, python-swift-tests, openstack-swift-proxy, openstack-swift-object, openstack-swift-account, openstack-swift-container
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 15 (Stein) python2-swift, openstack-swift-proxy, openstack-swift-object, openstack-swift-account, openstack-swift-container Red Hat OpenStack Platform 16 (Train) python3-swift, openstack-swift, openstack-swift-proxy, openstack-swift-object, openstack-swift-account, openstack-swift-container Red Hat OpenStack Platform 16.1 python3-swift, openstack-swift, openstack-swift-proxy, openstack-swift-object, openstack-swift-account, openstack-swift-container
    affected: no fix available “Fix deferred”
  • Red Hat OpenStack Platform 16.2 python3-swift, openstack-swift, openstack-swift-proxy, openstack-swift-object, openstack-swift-account, openstack-swift-container Red Hat OpenStack Platform 17.1 python3-swift, openstack-swift, openstack-swift-proxy, openstack-swift-object, openstack-swift-account, openstack-swift-container
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 18.0 openstack-swift
    affected: no fix available “Fix deferred”
  • Red Hat Storage 3 openstack-swift, openstack-swift-proxy, openstack-swift-object, openstack-swift-account, openstack-swift-container, openstack-swift openstack-swift
    affected: no fix planned “Out of support scope”

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

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected packages

ecosystem package affected fixed in
pypi swift
<2.15.2
2.15.2

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-117 Improper Output Neutralization for Logs

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.