CVE-2019-16930
CVE-2019-16930 is a medium-severity vulnerability in Z.cash Zcash with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-755.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-755
- Affected product: Z.cash Zcash
- Published:
- Last modified:
Description
Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exceptions during deserialization of note plaintexts. This affects anyone who has disclosed their zaddr to a third party.
Frequently asked questions
- What is CVE-2019-16930?
- Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exceptions during deserialization of note plaintexts. This affects anyone who has disclosed their zaddr to a third party.
- How severe is CVE-2019-16930?
- CVE-2019-16930 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2019-16930 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-16930?
- CVE-2019-16930 affects Z.cash Zcash. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-16930?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-16930 published?
- CVE-2019-16930 was published on 2019-09-28 and last updated on 2026-06-17.
References
- http://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.html
- https://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128d
- https://github.com/zcash/zcash/releases/tag/v2.0.7-3
- https://z.cash/support/security/announcements/security-announcement-2019-09-24/
Affected products (1)
- cpe:2.3:a:z.cash:zcash:*:*:*:*:*:*:*:*
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