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Fencer Vulns
medium 4.6

CVE-2017-20180 json

Zerocoin libzerocoin Proof CoinSpend.cpp CoinSpend data authenticity

published 2023-03-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2017-11175

cvss
4.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

A vulnerability classified as critical has been found in Zerocoin libzerocoin. Affected is the function CoinSpend::CoinSpend of the file CoinSpend.cpp of the component Proof Handler. The manipulation leads to insufficient verification of data authenticity. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as ce103a09ec079d0a0ed95475992348bed6e860de. It is recommended to apply a patch to fix this issue. VDB-222318 is the identifier assigned to this vulnerability.

Patch / fix

  • zerocoin libzerocoin 2017-11-15

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.6 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CNA 3.0 4.6 CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CNA 2.0 4.1 AV:A/AC:L/Au:S/C:N/I:P/A:P
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

  • Zerocoin libzerocoin

Classification

Weakness
  • CWE-345 Insufficient Verification of Data Authenticity

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.