CVE-2022-20736Network attack vector

Unauthenticated resource access via improper HTTP authorization

Published Jun 15, 2022 · Updated Nov 1, 2024

Authorization bypass in Cisco AppDynamics Controller 21.4.6 and earlier allows remote attackers to access restricted administrative resources. The web-based management interface fails to perform proper authorization checks on crafted HTTP requests, exposing a configuration file and an administrative console login page. No credentials or user interaction are required; disclosed impact is limited to reading the configuration file and reaching the otherwise restricted login page.

CVSS severity5.3
Medium
EPSS probability1.04%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Cisco AppDynamics Controller 21.4.6 and earlier allows remote attackers to access restricted administrative resources. The web-based management interface fails to perform proper authorization checks on crafted HTTP requests, exposing a configuration file and an administrative console login page. No credentials or user interaction are required; disclosed impact is limited to reading the configuration file and reaching the otherwise restricted login page.

The record

CVE
CVE-2022-20736
Published
Jun 15, 2022
Updated
Nov 1, 2024
Vendor
ClamAV
Product
Cisco AppDynamics
Classifications
CWE-939, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 15, 2022CVE publishedPublication date reported by the CVE source.
  2. Nov 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco AppDynamicsversion=n/a

Published CVSS scores

5.3CiscoCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:X

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-939Improper Authorization in Handler for Custom URL Scheme
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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