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CVE-2020-36649

24
FAUCET Score

CVE-2020-36649 is a problematic vulnerability in mholt PapaParse versions up to 5.1.x, specifically within the papaparse.js file, leading to inefficient regular expression complexity (CWE-1333). This high-severity vulnerability (CVSS 7.5) can be exploited remotely without user interaction, potentially causing high availability impact. While a patch is available in version 5.2.0, there is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.1.0, < 5.2.0CPE matchmatch criteria
cpe:2.3:a:papaparse:papaparse:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 50th 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: papaparseFixed in: 5.2.0

Vendor Advisories (2)

redhatCVE-2020-36649Moderate

papaparse: RegExp used to detect numbers is vulnerable to ReDoS

Jan 11, 2023
npmGHSA-qvjc-g5vr-mfgrhigh

Regular Expression Denial of Service in papaparse

Sep 4, 2020

References

github.com / mholt/PapaParse/commit/235a12758cd77266d2e98fd715f53536b34ad621
PatchThird Party Advisory
github.com / mholt/PapaParse/issues/777
ExploitIssue TrackingThird Party Advisory
github.com / mholt/PapaParse/pull/779
PatchThird Party Advisory
github.com / mholt/PapaParse/releases/tag/5.2.0
Release NotesThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory