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CVE-2019-16930

21
FAUCET Score

CVE-2019-16930 affects Zcashd in Zcash versions prior to 2.0.7-3, allowing the discovery of a full node's IP address if it owns a shielded address that has been disclosed to a third party. This medium-severity vulnerability has a CVSS score of 5.3, indicating a network-based attack with low complexity and a potential impact of limited confidentiality loss. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.7-3CPE matchmatch criteria
cpe:2.3:a:z.cash:zcash:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.64%
Probability of exploitation in next 30 days
EPSS Percentile
73.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 59th percentile among its peer group of 23,701 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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

duke.leto.net / 2019/10/01/zcash-metadata-leakage-cve-2019-16930.html
MitigationThird Party Advisory
github.com / zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128d
PatchThird Party Advisory
github.com / zcash/zcash/releases/tag/v2.0.7-3
Third Party Advisory
z.cash / support/security/announcements/security-announcement-2019-09-24
Vendor Advisory