CVE-2020-8116: dot-prop_project dot-prop
Vulnerability summary
CVE-2020-8116 is a high (CVSS 7.5) vulnerability in dot-prop_project dot-prop. EPSS estimates a 3.08% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5Timeline
- 04-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · DebianEcosystem advisory · calculated7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- OSV · NpmEcosystem advisory · calculated7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- NVDNIST7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS trend
Probability
3.08%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.08% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-471Modification of Assumed-Immutable Data (MAID)The product does not properly protect an assumed-immutable element from being modified by an attacker.
- CWE-1321Improperly Controlled Modification of Object Prototype AttributesThe product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- node-dot-prop< 5.2.0-1
Dot-prop_project1 product
- dot-prop< 4.2.1 | ≥ 5.0.0, < 5.1.1
Npm1 product
- dot-prop< 4.2.1 | ≥ 5.0.0, < 5.1.1
Ubuntu1 product
- node-dot-propAll versions (No fix recorded)
4 vendors · 4 products
References
11 links- github.com/sindresorhus/dot-prop/issues/63X Refsource MISCWEBIssue TrackingPatchThird Party Advisory
