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Fencer Vulns
medium 6.5

CVE-2017-16818 json

RADOS Gateway in Ceph 12.1.0 through 12.2.1 allows remote authenticated users to cause a denial of service (assertion failure and applicati…

published 2017-12-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7993

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

RADOS Gateway in Ceph 12.1.0 through 12.2.1 allows remote authenticated users to cause a denial of service (assertion failure and application exit) by leveraging "full" (not necessarily admin) privileges to post an invalid profile to the admin API, related to rgw/rgw_iam_policy.cc, rgw/rgw_basic_types.h, and rgw/rgw_iam_types.h.

Patch / fix

  • ceph SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 12.2.5+git.1524775272.5e7ea8cf03-2.7.1

suse advisories SUSE-SU-2018:1417-1

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-2017-16818 updated cvss 5.3

ceph: Failed assertion through user input in ceph_assert() function in rgw_iam_policy.cc

  • Red Hat Ceph Storage 1.3 ceph Red Hat Ceph Storage 2 ceph, librbd1, librgw2, ceph-mds, ceph-mon, ceph-osd, +12 more Red Hat Enterprise Linux 7 librbd1, librados2, python-rbd, ceph-common, python-rados Red Hat Enterprise Linux OpenStack Platform 6 (Juno) ceph Red Hat Enterprise Linux OpenStack Platform 6 (Juno) Installer ceph
    not affected: vulnerable code not present

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

2.31% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness

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.