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CVE-2017-20180

24
FAUCET Score

CVE-2017-20180 is a critical vulnerability in Zerocoin libzerocoin, specifically within the CoinSpend::CoinSpend function in CoinSpend.cpp, leading to insufficient verification of data authenticity. With a CVSS score of 7.5 (High), this vulnerability is network-exploitable with low attack complexity, allowing for high integrity impact without user interaction. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this issue.

Impacted Technologies

VendorProductVersion(s)CPE
< 2017-11-15CPE matchmatch criteria
cpe:2.3:a:zerocoin:libzerocoin:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
22.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 6th 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / Zerocoin/libzerocoin/commit/ce103a09ec079d0a0ed95475992348bed6e860de
Patch
github.com / Zerocoin/libzerocoin/pull/16
Patch
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Third Party Advisory