CVE 描述

LightDM before 1.0.6 allows local users to change ownership of arbitrary files via a symlink attack on ~/.Xauthority.

CVE 信息

CWE-ID	弱点名称	来源
CWE-59	Improper Link Resolution Before File Access The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

指标	评分	严重程度	CVSS 向量	来源
V2	1.9		AV:L/AC:M/Au:N/C:N/I:P/A:N	nvd@nist.gov

EPSS 是一种预测漏洞被利用可能性的评分模型。

EPSS 模型生成一个介于 0 到 1（即 0% 到 100%）之间的概率评分。评分越高，漏洞被利用的可能性越大。

百分位用于根据 EPSS 评分对 CVE 进行排名。例如，EPSS 百分位为第 95 的 CVE，其被利用的可能性高于 95% 的其他 CVE。因此，百分位可用于比较不同 CVE 的 EPSS 评分。

EPSS First.org

http://www.ubuntu.com/usn/USN-1262-1
Tags : vendor-advisory, x_refsource_UBUNTU

日期	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	0.95%	–	–
2022-02-13	–	–	0.95%	–	–
2022-03-20	–	–	0.95%	–	–
2022-04-03	–	–	0.95%	–	–
2022-06-19	–	–	0.95%	–	–
2022-09-04	–	–	0.95%	–	–
2022-12-18	–	–	0.95%	–	–
2023-03-12	–	–	–	0.04%	–
2024-02-11	–	–	–	0.04%	–
2024-06-02	–	–	–	0.04%	–
2024-06-02	–	–	–	0.04%	–
2025-01-19	–	–	–	0.04%	–
2025-03-18	–	–	–	–	0.05%
2025-04-15	–	–	–	–	0.05%
2025-08-11	–	–	–	–	0.05%
2025-08-14	–	–	–	–	0.05%
2025-08-17	–	–	–	–	0.05%
2025-08-30	–	–	–	–	0.05%
2025-08-31	–	–	–	–	0.05%
2025-09-08	–	–	–	–	0.05%
2025-10-18	–	–	–	–	0.03%
2025-11-18	–	–	–	–	0.03%
2025-11-20	–	–	–	–	0.03%
2025-11-21	–	–	–	–	0.03%
2025-12-18	–	–	–	–	0.03%
2025-12-22	–	–	–	–	0.03%
2025-12-25	–	–	–	–	0.03%
2025-12-27	–	–	–	–	0.03%
2025-12-28	–	–	–	–	0.03%
2025-12-29	–	–	–	–	0.03%
2025-12-31	–	–	–	–	0.03%
2026-01-04	–	–	–	–	0.03%
2026-01-08	–	–	–	–	0.03%
2026-01-11	–	–	–	–	0.03%
2026-01-14	–	–	–	–	0.03%
2026-01-19	–	–	–	–	0.03%
2026-02-22	–	–	–	–	0.03%
2026-03-20	–	–	–	–	0.03%