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CVE-2019-16992

23
FAUCET Score

CVE-2019-16992 affects Keybase app 2.13.2 for iOS, where it insufficiently notifies users that their private key is being used to sign a cryptocurrency attestation for Stellar payments. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high confidentiality impact, as it could lead to users unknowingly endorsing a statement about their Stellar payment capabilities. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.13.2CPE matchmatch criteria
cpe:2.3:a:keybase:keybase:2.13.2:*:*:*:*:iphone_os:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 32nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

github.com / keybase/keybase-issues/issues/3583
Third Party Advisory
sneak.berlin / 20190929/keybase-backdoor
Third Party Advisory