CVE-2020-3122Network attack vector

Sensitive network information disclosure via improper access control

Published Mar 4, 2025 · Updated Mar 4, 2025

Improper access control in the AsyncOS web interface for Cisco Secure Email and Web Manager 11.0.0-128 allows remote attackers to read network data. Cisco has not published the affected endpoint or the access-control operation that exposes the data. No authentication or user interaction is required; exploitation reveals sensitive network information without reported integrity or availability impact.

CVSS severity5.3
Medium
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in the AsyncOS web interface for Cisco Secure Email and Web Manager 11.0.0-128 allows remote attackers to read network data. Cisco has not published the affected endpoint or the access-control operation that exposes the data. No authentication or user interaction is required; exploitation reveals sensitive network information without reported integrity or availability impact.

The record

CVE
CVE-2020-3122
Published
Mar 4, 2025
Updated
Mar 4, 2025
Vendor
ClamAV
Product
Cisco Secure Email and Web Manager
Classifications
CWE-284, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 4, 2025Record 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=11.0.0(Ritz)-128
  2. Affected versionversion=N/A

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco Secure Email and Web Managerversion=11.0.0(Ritz)-128; version=N/A

Published CVSS scores

5.3Cisco Systems, Inc.CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-284Improper Access Control
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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