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CVE-2023-2251

25
FAUCET Score

CVE-2023-2251 describes an uncaught exception vulnerability in the eemeli/yaml GitHub repository, affecting versions prior to 2.0.0-5. This flaw carries a CVSS score of 7.5 (HIGH), indicating that it can be exploited remotely with low attack complexity, potentially leading to a denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0-5, < 2.2.2CPE matchmatch criteria
cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
62.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 39th percentile among its peer group of 51,551 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: yamlFixed in: 2.2.2

Vendor Advisories (1)

npmGHSA-f9xv-q969-pqx4high

Uncaught Exception in yaml

Apr 24, 2023

References

github.com / eemeli/yaml/commit/984f5781ffd807e58cad3b5c8da1f940dab75fba
Patch
huntr.dev / bounties/4b494e99-5a3e-40d9-8678-277f3060e96c
ExploitPatchThird Party Advisory