CVE-2018-10861 [High] | Security Vulnerability in Ceph

CVE-2018-10861 is rated High Risk (65.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.25%). EPSS rose +2.46% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.79%	3.25%	+2.46%
2	2026-05-08	0.58%	0.79%	+0.21%
3	2026-01-05	—	0.58%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.79%

3.25%

+2.46%

2026-05-08

0.58%

0.79%

+0.21%

2026-01-05

—

0.58%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.1	3.0	HIGH	`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	5.2	[email protected]
5.5	2.0	MEDIUM	`AV:N/AC:L/Au:S/C:N/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:S) A single authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	8.0	4.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.1

3.0

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

5.2

[email protected]

5.5

2.0

MEDIUM

AV:N/AC:L/Au:S/C:N/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:S): A single authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

8.0

4.9

[email protected]

OS Trackers for CVE-2018-10861

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2018-10861 not yet assigned priority: Debian including 1 source packages (ceph), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2018-10861
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2018-10861
`suse`	high	CVE-2018-10861 severity important: SUSE including 348 source package names (ceph, ceph-10.2.11+git.1531487710.3a12911a2e-12.14.2, …), 530 product×package rows across 59 product lines (Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production, … (59 product lines)): Fixed 421, Known Not Affected 109.	https://www.suse.com/security/cve/CVE-2018-10861/
`ubuntu`	medium	CVE-2018-10861 medium priority: Ubuntu including 1 source packages (ceph), 19 status rows across 19 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, trusty, upstream, xenial): not-affected 16, ignored 2, released 1.	https://ubuntu.com/security/CVE-2018-10861

Affected software / configurations for CVE-2018-10861

Vendor	Product	Version	Raw CPE
ceph	ceph	10.2.0	cpe:2.3:a:ceph:ceph:10.2.0:::::::*
ceph	ceph	10.2.1	cpe:2.3:a:ceph:ceph:10.2.1:::::::*
ceph	ceph	10.2.2	cpe:2.3:a:ceph:ceph:10.2.2:::::::*
ceph	ceph	10.2.3	cpe:2.3:a:ceph:ceph:10.2.3:::::::*
ceph	ceph	10.2.4	cpe:2.3:a:ceph:ceph:10.2.4:::::::*
ceph	ceph	10.2.5	cpe:2.3:a:ceph:ceph:10.2.5:::::::*
ceph	ceph	10.2.6	cpe:2.3:a:ceph:ceph:10.2.6:::::::*
ceph	ceph	10.2.7	cpe:2.3:a:ceph:ceph:10.2.7:::::::*
ceph	ceph	10.2.8	cpe:2.3:a:ceph:ceph:10.2.8:::::::*
ceph	ceph	10.2.9	cpe:2.3:a:ceph:ceph:10.2.9:::::::*
ceph	ceph	10.2.10	cpe:2.3:a:ceph:ceph:10.2.10:::::::*
ceph	ceph	10.2.11	cpe:2.3:a:ceph:ceph:10.2.11:::::::*
ceph	ceph	12.2.0	cpe:2.3:a:ceph:ceph:12.2.0:::::::*
ceph	ceph	12.2.1	cpe:2.3:a:ceph:ceph:12.2.1:::::::*
ceph	ceph	12.2.2	cpe:2.3:a:ceph:ceph:12.2.2:::::::*
ceph	ceph	12.2.3	cpe:2.3:a:ceph:ceph:12.2.3:::::::*
ceph	ceph	12.2.4	cpe:2.3:a:ceph:ceph:12.2.4:::::::*
ceph	ceph	12.2.5	cpe:2.3:a:ceph:ceph:12.2.5:::::::*
ceph	ceph	12.2.6	cpe:2.3:a:ceph:ceph:12.2.6:::::::*
ceph	ceph	12.2.7	cpe:2.3:a:ceph:ceph:12.2.7:::::::*
ceph	ceph	13.2.0	cpe:2.3:a:ceph:ceph:13.2.0:::::::*
ceph	ceph	13.2.1	cpe:2.3:a:ceph:ceph:13.2.1:::::::*
redhat	ceph_storage	3	cpe:2.3:a:redhat:ceph_storage:3:::::::*
redhat	ceph_storage_mon	2	cpe:2.3:a:redhat:ceph_storage_mon:2:::::::*
redhat	ceph_storage_mon	3	cpe:2.3:a:redhat:ceph_storage_mon:3:::::::*
redhat	ceph_storage_osd	2	cpe:2.3:a:redhat:ceph_storage_osd:2:::::::*
redhat	ceph_storage_osd	3	cpe:2.3:a:redhat:ceph_storage_osd:3:::::::*
redhat	enterprise_linux_desktop	7.0	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
redhat	enterprise_linux_server	7.0	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
redhat	enterprise_linux_workstation	7.0	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
opensuse	leap	15.0	cpe:2.3:o:opensuse:leap:15.0:::::::*
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*

References for CVE-2018-10861

URL	Tags
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html	Third Party Advisory
http://tracker.ceph.com/issues/24838	Issue Tracking Vendor Advisory
http://www.securityfocus.com/bid/104742	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2177	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2179	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2261	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2274	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1593308	Issue Tracking Patch Third Party Advisory
https://github.com/ceph/ceph/commit/975528f632f73fbffa3f1fee304e3bbe3296cffc	Patch Third Party Advisory
https://www.debian.org/security/2018/dsa-4339	Third Party Advisory

URL

CVE-2018-10861

Exploit prediction scoring system (EPSS) score for CVE-2018-10861

Common vulnerability scoring system (CVSS) metrics for CVE-2018-10861

Weakness enumeration for CVE-2018-10861

OS Trackers for CVE-2018-10861

Affected software / configurations for CVE-2018-10861

References for CVE-2018-10861