CVE-2023-45311
CRITICAL EXPLOITEDfsevents < 1.2.11 - Remote Code Execution via Untrusted Binary Download URL
Title source: llmExploitation Summary
CVE-2023-45311 has been observed exploited in the wild (reported by VulnCheck KEV).
Description
fsevents before 1.2.11 depends on the https://fsevents-binaries.s3-us-west-2.amazonaws.com URL, which might allow an adversary to execute arbitrary code if any JavaScript project (that depends on fsevents) distributes code that was obtained from that URL at a time when it was controlled by an adversary. NOTE: some sources feel that this means that no version is affected any longer, because the URL is not controlled by an adversary.
References (8)
Core 8
Core References
Exploit, Vendor Advisory
https://github.com/atlassian/moo/blob/56ccbdd41b493332bc2cd7a4097a5802594cdb9c/package-lock.json#L1901-L1902
Exploit, Vendor Advisory
https://github.com/atlassian/react-immutable-proptypes/blob/ddb9fa5194b931bf7528eb4f2c0a8c3434f70edd/package-lock.json#L153
Exploit, Vendor Advisory
https://github.com/cloudflare/authr/blob/3f6129d97d06e61033a7f237d84e35e678db490f/ts/package-lock.json#L1512
Exploit, Vendor Advisory
https://github.com/cloudflare/hugo-cloudflare-docs/blob/e0f7cfa195af8ef1bfa51a487be7d34ba298ed06/package-lock.json#L494
Exploit, Vendor Advisory
https://github.com/cloudflare/redux-grim/blob/b652f99f95fb16812336073951adc5c5a93e2c23/package-lock.json#L266-L267
Exploit, Vendor Advisory
https://github.com/cloudflare/serverless-cloudflare-workers/blob/e95e1e9c9770ed9a3d9480c1fa73e64391268354/package-lock.json#L737
Patch, Vendor Advisory
https://github.com/fsevents/fsevents/compare/v1.2.10...v1.2.11
Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-FSEVENTS-5487987
Scores
CVSS v3
9.8
EPSS
0.0088
EPSS Percentile
75.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
VulnCheck KEV
2025-11-26
CWE
CWE-94
Status
published
Products (2)
fsevents_project/fsevents
< 1.2.11
npm/fsevents
0 - 1.2.11npm
Published
Oct 06, 2023
Tracked Since
Feb 18, 2026