CVE-2014-7271 [High] | Security Vulnerability in Sddm

CVE-2014-7271 is rated Moderate Risk (43.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.42%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.09%	0.42%	+0.33%
2	2025-03-17	0.04%	0.09%	+0.04%
3	2023-03-07	—	0.04%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.09%

0.42%

+0.33%

2025-03-17

0.04%

0.09%

+0.04%

2023-03-07

—

0.04%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.8	3.0	HIGH	`CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H` 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: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:H) Serious risk that confidential data gets exposed in a big 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.	1.8	5.9	[email protected]
4.6	2.0	MEDIUM	`AV:L/AC:L/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:L) Requires local access to the target system. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	3.9	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.8

3.0

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 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: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:H): Serious risk that confidential data gets exposed in a big 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.

1.8

5.9

[email protected]

4.6

2.0

MEDIUM

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

Access vector (AV:L): Requires local access to the target system.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

3.9

6.4

[email protected]

OS Trackers for CVE-2014-7271

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2014-7271 not yet assigned priority: Debian including 1 source packages (sddm), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2014-7271
`ubuntu`	medium	CVE-2014-7271 medium priority: Ubuntu including 1 source packages (sddm), 5 status rows across 5 suites (bionic, focal, trusty, upstream, xenial): not-affected 3, DNE 1, released 1.	https://ubuntu.com/security/CVE-2014-7271

Affected software / configurations for CVE-2014-7271

Vendor	Product	Version	Raw CPE
sddm_project	sddm	< 0.10.0	cpe:2.3:a:sddm_project:sddm::::::::
fedoraproject	fedora	20	cpe:2.3:o:fedoraproject:fedora:20:::::::*
fedoraproject	fedora	21	cpe:2.3:o:fedoraproject:fedora:21:::::::*

References for CVE-2014-7271

URL	Tags
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141494.html	Release Notes Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141550.html	Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/10/06/4	Issue Tracking Mailing List
http://www.securityfocus.com/bid/70767	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1149608	Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/98421	Third Party Advisory VDB Entry
https://github.com/sddm/sddm/pull/279/files	Patch
https://github.com/sddm/sddm/wiki/0.10.0-Release-Announcement	Release Notes

URL

CVE-2014-7271

Exploit prediction scoring system (EPSS) score for CVE-2014-7271

Common vulnerability scoring system (CVSS) metrics for CVE-2014-7271

Weakness enumeration for CVE-2014-7271

OS Trackers for CVE-2014-7271

Affected software / configurations for CVE-2014-7271

References for CVE-2014-7271