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CVE-2018-7560

23
FAUCET Score

CVE-2018-7560 describes a Regular Expression Denial of Service (ReDoS) vulnerability in the Anton Myshenin aws-lambda-multipart-parser NPM package, specifically affecting versions before 0.1.2. This flaw allows an unauthenticated attacker to trigger a denial of service by sending a specially crafted multipart/form-data boundary string. Rated 7.5 HIGH on CVSS, the vulnerability is easily exploitable over the network with low attack complexity, leading to a high impact on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.1.1CPE matchmatch criteria
cpe:2.3:a:aws-lambda-multipart-parser_project:aws-lambda-multipart-parser:*:*:*:*:*:node.js:*:*

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:N/A:H

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

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
68.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0137 is in the 49th percentile among its peer group of 51,466 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)

npmpatch availablevia ghsa
Product: aws-lambda-multipart-parserFixed in: 0.1.2

Vendor Advisories (1)

npmGHSA-6jqp-j69q-pm62high

AWS Lambda parser is vulnerable to Regular Expression Denial of Service

Mar 5, 2018

References

github.com / myshenin/aws-lambda-multipart-parser/commit/56ccb03af4dddebc2b2defb348b6558783d5757e
Third Party Advisory