CVE-2019-12209

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.80% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 86.0% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-06-04 20:26Z7 YR AGO

Last updated

2024-08-04 23:17Z2 YR AGO

Reserved

2019-05-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-59Improper Link Resolution Before File Access ('Link Following')Base

Data version

5.1

Document digest

49fa996a799675ed88e67da5276748400c21b0e5a8b8095ea4fdf12db28a8d7b

• github.comhttps://github.com/Yubico/pam-u2f/commit/7db3386fcdb454e33a3ea30dcfb8e8960d4c3aa3x_refsource_CONFIRM
• developers.yubico.comhttps://developers.yubico.com/pam-u2f/Release_Notes.htmlx_refsource_CONFIRM
• www.openwall.com[oss-security] 20190605 pam-u2f: CVE-2019-12210: debug_file file descriptor leak, CVE-2019-12209: symlink attack on u2f_keys leading to possible information leakhttp://www.openwall.com/lists/oss-security/2019/06/05/1mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2019-b6d3c8b0a8https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FOR4ADC356JPCHAJI5UXZORLC3VNBPS/vendor-advisoryx_refsource_FEDORA
• lists.opensuse.orgopenSUSE-SU-2019:1708http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:1725http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2019-cd8f4b9568https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCGU6UQLI3ZTW3UYCTMQW7VDL5M4LCWR/vendor-advisoryx_refsource_FEDORA