CVE-2022-36780

Unauthenticated recording access via crafted URL

Published Sep 13, 2022 · Updated Sep 17, 2024

Authentication bypass in Avdor CIS Crystal Quality allows remote attackers to hear recorded phone calls via a crafted URL without authentication. The exposed request format supplies channel, extension, command, client, request, and recording-number parameters to retrieve a call. The advisory describes adjacent network reachability and no privilege requirement; impact is unauthorized disclosure of recorded conversations, with no documented configuration-change or service-takeover capability.

CVSS severity4.9
Medium
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Avdor CIS Crystal Quality allows remote attackers to hear recorded phone calls via a crafted URL without authentication. The exposed request format supplies channel, extension, command, client, request, and recording-number parameters to retrieve a call. The advisory describes adjacent network reachability and no privilege requirement; impact is unauthorized disclosure of recorded conversations, with no documented configuration-change or service-takeover capability.

The record

CVE
CVE-2022-36780
Published
Sep 13, 2022
Updated
Sep 17, 2024
Vendor
Avdor CIS
Product
Crystal Quality
Classifications
T1190
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 13, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Update to the latest version <unspecified

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Avdor CIS · Crystal Qualityversion=Update to the latest version <unspecified

Published CVSS scores

4.9INCDCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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