CVE-2018-12466 [Medium] | Security Vulnerability in Open Build Service

CVE-2018-12466 is rated Low Risk (33.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-03-17	0.11%	0.24%	+0.13%
2	2023-03-07	0.89%	0.11%	-0.78%
3	2022-02-04	—	0.89%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-03-17

0.11%

0.24%

+0.13%

2023-03-07

0.89%

0.11%

-0.78%

2022-02-04

—

0.89%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
4.4	3.0	MEDIUM	`CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. 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:N) Service keeps running; no real outage angle.	0.8	3.6	[email protected]
6.5	3.0	MEDIUM	`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N` 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:N) Service keeps running; no real outage angle.	2.8	3.6	[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

4.4

3.0

MEDIUM

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

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
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:N): Service keeps running; no real outage angle.

0.8

3.6

[email protected]

6.5

3.0

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N 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:N): Service keeps running; no real outage angle.

2.8

3.6

[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-2018-12466

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2018-12466 not yet assigned priority: Debian including 1 source packages (open-build-service), 2 status rows across 2 suites (bookworm, sid): resolved 2.	https://security-tracker.debian.org/tracker/CVE-2018-12466
`ubuntu`	medium	CVE-2018-12466 medium priority: Ubuntu including 1 source packages (open-build-service), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 8, DNE 7, needs-triage 4.	https://ubuntu.com/security/CVE-2018-12466

Affected software / configurations for CVE-2018-12466

Vendor	Product	Version	Raw CPE
opensuse	open_build_service	< 9.2.4	cpe:2.3:a:opensuse:open_build_service::::::::

References for CVE-2018-12466

URL	Tags
http://www.securityfocus.com/bid/104958
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2018-12466
https://github.com/openSUSE/open-build-service/commit/f57b660f49f830006766a8d4abc3b4af6e178063

URL

CVE-2018-12466 | openbuildservice allowed deleting packages via project links

Exploit prediction scoring system (EPSS) score for CVE-2018-12466

Common vulnerability scoring system (CVSS) metrics for CVE-2018-12466

Weakness enumeration for CVE-2018-12466

OS Trackers for CVE-2018-12466

Affected software / configurations for CVE-2018-12466

References for CVE-2018-12466