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CVE-2019-12887

24
FAUCET Score

CVE-2019-12887 is an Incorrect Access Control vulnerability affecting KeyIdentity LinOTP versions prior to 2.10.5.3. This high-severity flaw, rated 8.1 CVSS, allows unauthenticated attackers to achieve high confidentiality, integrity, and availability impacts with high attack complexity over the network. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.10.5.3CPE matchmatch criteria
cpe:2.3:a:keyidentity:linotp:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.16%
Probability of exploitation in next 30 days
EPSS Percentile
64.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0116 is in the 26th percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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)

pippatch availablevia ghsa
Product: LinOTPFixed in: 2.11.1

Vendor Advisories (1)

pipGHSA-rqg8-xjp2-pg9wcritical

LinOTP replay vulnerability with auto resynchronization enabled for TOTP token

May 24, 2022

References

linotp.org / CVE-2019-12887.txt
Third Party Advisory