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CVE-2019-12210

26
FAUCET Score

CVE-2019-12210 is a high-severity vulnerability affecting Yubico pam-u2f version 1.0.7. When configured with debug logging and a custom debug file, the file descriptor is not properly closed and is inherited by child processes. This allows child processes to read from and write to the debug log, potentially leaking sensitive information, filling disk space, or planting misinformation. The vulnerability has a CVSS score of 8.1, indicating a high risk, with a network attack vector and low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.7CPE matchmatch criteria
cpe:2.3:a:yubico:pam-u2f:1.0.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.87%
Probability of exploitation in next 30 days
EPSS Percentile
77.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0187 is in the 75th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

lists.opensuse.org / opensuse-security-announce/2019-07/msg00012.html
lists.opensuse.org / opensuse-security-announce/2019-07/msg00018.html
developers.yubico.com / pam-u2f/Release_Notes.html
Release NotesVendor Advisory
github.com / Yubico/pam-u2f/commit/18b1914e32b74ff52000f10e97067e841e5fff62
PatchThird Party Advisory
openwall.com / lists/oss-security/2019/06/05/1
ExploitMailing ListThird Party Advisory