CVE-2019-3821
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL...
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service.
- Record
CVE-2019-3821- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-772
- Updated
- 2026-11-02
EUVDEUVD-2019-13444
7.5
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service.
- Record
EUVD-2019-13444- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-24mx-5rm6-qcm5
7.5
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL...
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service.
- Record
GHSA-24mx-5rm6-qcm5- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-772
- Updated
- 2026-11-02
NVD
7.5
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service.
- Record
CVE-2019-3821- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-772
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-3821
7.5
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service.
- Record
UBUNTU-CVE-2019-3821- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10676-1 No score
ceph-16.2.6.45+g8fda9838398-1.1 on GA media
These are all security issues fixed in the ceph-16.2.6.45+g8fda9838398-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10676-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:2049-1 No score
Security update for ceph
This update for ceph fixes the following issues:
Security issues fixed:
- CVE-2019-3821: civetweb: fix file descriptor leak (bsc#1125080)
- CVE-2018-16889: rgw: sanitize customer encryption keys from log output in v4 auth (bsc#1121567)
Non-security issues fixed:
- install grafana dashboards world readable (bsc#1136110)
- upgrade results in cluster outage (bsc#1132396)
- ceph status reports 'HEALTH_WARN 3 monitors have not enabled msgr2' (bsc#1124957)
- Dashboard: Opening tcmu-runner perf counters results in a 404 (bsc#1135388)
- RadosGW stopped expiring objects (bsc#1133139)
- Ceph does not recover when rebuilding every OSD (bsc#1133461)
- Record
SUSE-SU-2019:2049-1- Updated
- 2026-11-02
OSVUSN-4035-1 No score
ceph vulnerabilities
It was discovered that Ceph incorrectly handled read only permissions. An authenticated attacker could use this issue to obtain dm-crypt encryption keys. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-14662)
It was discovered that Ceph incorrectly handled certain OMAPs holding bucket indices. An authenticated attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-16846)
It was discovered that Ceph incorrectly sanitized certain debug logs. A local attacker could possibly use this issue to obtain encryption key information. This issue was only addressed in Ubuntu 18.10 and Ubuntu 19.04. (CVE-2018-16889)
It was discovered that Ceph incorrectly handled certain civetweb requests. A remote attacker could possibly use this issue to consume resources, leading to a denial of service. This issue only affected Ubuntu 18.10 and Ubuntu 19.04. (CVE-2019-3821)
- Record
USN-4035-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
cephSUSE:Linux Enterprise Module for Basesystem 15 SP1 From an advisory covering 2 CVEs |
before 14.2.1.468+g994fd9e0cc-3.3.2 | 14.2.1.468+g994fd9e0cc-3.3.2 |
cephSUSE:Enterprise Storage 6 From an advisory covering 2 CVEs |
before 14.2.1.468+g994fd9e0cc-3.3.2 | 14.2.1.468+g994fd9e0cc-3.3.2 |
cephUbuntu:16.04:LTS From an advisory covering 4 CVEs |
before 10.2.11-0ubuntu0.16.04.2, plus listed versions 0.94.3-0ubuntu20.94.5-0ubuntu19.2.0-0ubuntu39.2.0-0ubuntu49.2.0-0ubuntu5 Show 17 moreShow less9.2.0-0ubuntu610.0.2-0ubuntu110.0.3-0ubuntu110.0.5-0ubuntu110.1.0-0ubuntu110.1.1-0ubuntu110.1.2-0ubuntu110.2.0-0ubuntu0.16.04.110.2.0-0ubuntu0.16.04.210.2.2-0ubuntu0.16.04.210.2.3-0ubuntu0.16.04.210.2.5-0ubuntu0.16.04.110.2.6-0ubuntu0.16.04.110.2.7-0ubuntu0.16.04.110.2.9-0ubuntu0.16.04.110.2.10-0ubuntu0.16.04.110.2.11-0ubuntu0.16.04.1 |
10.2.11-0ubuntu0.16.04.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-3821 is a high vulnerability (CVSS 7.5) in [unknown] Ceph, published March 27, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.95%, the 87th percentile. No source names a fixed version.
References
usn.ubuntu.com/4035-1
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3821
github.com/ceph/civetweb/pull/33
nvd.nist.gov/vuln/detail/CVE-2019-3821
github.com/advisories/GHSA-24mx-5rm6-qcm5
suse.com/support/update/announcement/2019/suse-su-20192049-1
Show 33 moreShow less
bugzilla.suse.com/1121567
bugzilla.suse.com/1123360
bugzilla.suse.com/1124957
bugzilla.suse.com/1125080
bugzilla.suse.com/1125899
bugzilla.suse.com/1131984
bugzilla.suse.com/1132396
bugzilla.suse.com/1133139
bugzilla.suse.com/1133461
bugzilla.suse.com/1135030
bugzilla.suse.com/1135219
bugzilla.suse.com/1135221
bugzilla.suse.com/1135388
bugzilla.suse.com/1136110
suse.com/security/cve/CVE-2018-16889
suse.com/security/cve/CVE-2019-3821
ubuntu.com/security/CVE-2019-3821
ubuntu.com/security/notices/USN-4035-1
cve.org/CVERecord?id=CVE-2019-3821
ubuntu.com/security/CVE-2018-14662
ubuntu.com/security/CVE-2018-16846
ubuntu.com/security/CVE-2018-16889
suse.com/security/cve/CVE-2017-16818
suse.com/security/cve/CVE-2018-10861
suse.com/security/cve/CVE-2018-1128
suse.com/security/cve/CVE-2019-10222
suse.com/security/cve/CVE-2020-10736
suse.com/security/cve/CVE-2020-1759
suse.com/security/cve/CVE-2020-1760
suse.com/security/cve/CVE-2021-20288
suse.com/security/cve/CVE-2021-3509
suse.com/security/cve/CVE-2021-3524
suse.com/security/cve/CVE-2021-3531