Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-45283

20
FAUCET Score

CVE-2023-45283 is a path traversal vulnerability in the Go filepath package on Windows, affecting golang and Microsoft Go distributions. It stems from the package's failure to properly recognize and handle paths prefixed with "\??\", which are equivalent to "\\?\" and can bypass security controls to access arbitrary system locations. The vulnerability has a CVSS score of 7.5 (High), indicating a network-exploitable flaw with low attack complexity that could lead to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.20.11CPE matchmatch criteria
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
>= 1.21.0-0, < 1.21.4CPE matchmatch criteria
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

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:H/I:N/A:N

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

Exploit Intelligence

EPSS Score
2.76%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0276 is in the 73rd percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (11)

mediatekpatch availablevia llm_extracted
Fixed in: 9.3.1, 9.2.3, 9.1.6
microsoftpatch availablevia msrc
Product: 19785-17086
microsoftpatch availablevia msrc
Product: 19778-17086
microsoftpatch availablevia msrc
Product: 17375-16823Fixed in: 1.21.6-1
microsoftpatch availablevia msrc
Product: 18136-16823Fixed in: 1.20.11-1
microsoftpatch availablevia msrc
Product: azl3 golang 1.23.9-1 on Azure Linux 3.0
microsoftpatch availablevia msrc
Product: cbl2 golang 1.18.8-7 on CBL Mariner 2.0
microsoftpatch availablevia msrc
Product: cbl2 golang 1.17.13-2 on CBL Mariner 2.0
microsoftpatch availablevia msrc
Product: cbl2 golang 1.21.6-1 on CBL Mariner 2.0Fixed in: 1.21.6-1
microsoftpatch availablevia msrc
Product: 19679-17084
microsoftpatch availablevia msrc
Product: cbl2 msft-golang 1.20.11-1 on CBL Mariner 2.0Fixed in: 1.20.11-1

Vendor Advisories (2)

mediatekllm-mediatek-5bd731d14163992dHIGH

Third-Party Package Updates in Splunk Enterprise - October 2024

Oct 14, 2024
microsoft2023-Nov/CVE-2023-45283Important

Insecure parsing of Windows paths with a \??\ prefix in path/filepath

Nov 14, 2023

References

go.dev / cl/540277
Issue TrackingVendor Advisory
go.dev / cl/541175
go.dev / issue/63713
Issue TrackingVendor Advisory
go.dev / issue/64028
groups.google.com / g/golang-announce/c/4tU8LZfBFkY
Issue TrackingMailing ListVendor Advisory
groups.google.com / g/golang-dev/c/6ypN5EjibjM/m/KmLVYH_uAgAJ
pkg.go.dev / vuln/GO-2023-2185
Issue TrackingVendor Advisory
security.netapp.com / advisory/ntap-20231214-0008
openwall.com / lists/oss-security/2023/12/05/2