What is CVE-2020-27643?

CVE-2020-27643 is a medium-severity vulnerability in 1e Client, classified under Improper Link Resolution Before File Access. CVSS score: 6.5/10. Published 2020-12-29.

How severe is CVE-2020-27643?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-27643 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in 1e Client

CVE-2020-27643

The %PROGRAMDATA%\1E\Client directory in 1E Client 5.0.0.745 and 4.1.0.267 allows remote authenticated users and local users to create and modify files in protected directories (where they would not normally have access to create or modify…

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

1e Client — versions 4.1.0.267, 5.0.0.745
N/a — versions n/a

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

Public proof-of-concept exploits

Ekitji/siem

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27643?: CVE-2020-27643 is a medium-severity vulnerability in 1e Client, classified under Improper Link Resolution Before File Access. CVSS score: 6.5/10. Published 2020-12-29.
How severe is CVE-2020-27643?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-27643 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.