What is CVE-2020-7222?

CVE-2020-7222 is a medium-severity vulnerability in Amcrest Web Server, classified under Improper Authentication. CVSS score: 5.3/10. Published 2020-01-18.

How severe is CVE-2020-7222?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2020-7222 known to be exploited?

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

Auth bypass in Amcrest Web Server

CVE-2020-7222

An issue was discovered in Amcrest Web Server 2.520.AC00.18.R 2017-06-29 WEB 3.2.1.453504. The login page responds with JavaScript when one tries to authenticate. An attacker who changes the result parameter (to true) in this JavaScript code can bypass authentication and achieve limited privileges (ability to see every option but not modify them).

Vulnerability class: Broken Authentication

EPSS: 0.013 (67.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Amcrest Web_server — versions 2.520.ac00.18.r
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-7222?: CVE-2020-7222 is a medium-severity vulnerability in Amcrest Web Server, classified under Improper Authentication. CVSS score: 5.3/10. Published 2020-01-18.
How severe is CVE-2020-7222?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2020-7222 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.