How severe is CVE-2020-7222?

CVE-2020-7222 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-7222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7222?

CVE-2020-7222 affects Amcrest Web Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7222?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-7222 published?

CVE-2020-7222 was published on 2020-01-18 and last updated on 2026-06-17.

CVE-2020-7222

CVE-2020-7222 is a medium-severity vulnerability in Amcrest Web Server with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Amcrest Web Server
Published: 2020-01-18
Last modified: 2026-06-17

Description

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).

Frequently asked questions

What is 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).
How severe is CVE-2020-7222?: CVE-2020-7222 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-7222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7222?: CVE-2020-7222 affects Amcrest Web Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7222 published?: CVE-2020-7222 was published on 2020-01-18 and last updated on 2026-06-17.

References

https://sku11army.blogspot.com/2020/01/amcrest-2520ac0018r-login-bypass.html

Affected products (1)

cpe:2.3:a:amcrest:web_server:2.520.ac00.18.r:*:*:*:*:*:*:*

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