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-2020-27643

20
FAUCET Score

CVE-2020-27643 is a partial privilege escalation vulnerability affecting 1E Client versions 5.0.0.745 and 4.1.0.267. It allows authenticated remote or local users to create or modify files in protected system directories by exploiting a junction point creation within the %PROGRAMDATA%\1E\Client directory. Rated 6.5 Medium, this vulnerability has a low attack complexity and high integrity impact, but no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.1.0.267CPE matchmatch criteria
cpe:2.3:a:1e:client:4.1.0.267:*:*:*:*:windows:*:*
5.0.0.745CPE matchmatch criteria
cpe:2.3:a:1e:client:5.0.0.745:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.41%
Probability of exploitation in next 30 days
EPSS Percentile
69.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0141 is in the 84th percentile among its peer group of 21,924 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

latchsetpatch availablevia llm_extracted
View patch

Vendor Advisories (1)

latchsetllm-latchset-4a90ee65618c0280MEDIUM

Improper link resolution in 1E client

Dec 29, 2020

References

help.1e.com / display/GI/1E+Security+Advisory-1E+Client+for+Windows%3A+CVE-2020-16268%2C+CVE-2020-27643%2C+CVE-2020-27644%2C+CVE-2020-27645
Vendor Advisory