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CVE-2020-15131

19
FAUCET Score

CVE-2020-15131 describes a false-positive validation vulnerability in the 'slp-validate' npm package, affecting versions prior to 1.2.2. This flaw allows for the creation of seemingly valid NFT1 child tokens without adhering to the required burning of NFT1 Group tokens, potentially enabling an attacker to bypass a critical security control. With a CVSS score of 7.5 (HIGH), it presents a network-exploitable vulnerability with high integrity impact, requiring no user interaction or privileges. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.2CPE matchmatch criteria
cpe:2.3:a:simpleledger:slp-validate:*:*:*:*:*:*:*:*

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:N/I:H/A:N

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

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 37th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: slp-validateFixed in: 1.2.2

Vendor Advisories (1)

npmGHSA-6jmr-jfh7-xg3hcritical

False-positive validity for NFT1 genesis transactions

Jul 30, 2020

References

github.com / simpleledger/slp-validate.js/commit/3963cf914afae69084059b82483da916d97af65c
PatchThird Party Advisory
github.com / simpleledger/slp-validate.js/security/advisories/GHSA-6jmr-jfh7-xg3h
Third Party Advisory