What is CVE-2022-20784?

CVE-2022-20784 is a medium-severity vulnerability in Cisco Web Security Appliance (Wsa), classified under Improper Input Validation. CVSS score: 5.8/10. Published 2022-04-06.

How severe is CVE-2022-20784?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Is CVE-2022-20784 known to be exploited?

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

Improper input validation in Cisco Web Security Appliance (Wsa)

CVE-2022-20784

A vulnerability in the Web-Based Reputation Score (WBRS) engine of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass established web request policies and access blocked…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.005 (67.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Cisco Web Security Appliance (Wsa) — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

karimhabush/cyberowl

References

20220406 Cisco Web Security Appliance Filter Bypass Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2022-20784?: CVE-2022-20784 is a medium-severity vulnerability in Cisco Web Security Appliance (Wsa), classified under Improper Input Validation. CVSS score: 5.8/10. Published 2022-04-06.
How severe is CVE-2022-20784?: Medium severity. CVSS v3 base score is 5.8 out of 10.
Is CVE-2022-20784 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.