CVE-2022-20844Network attack vector

Unauthenticated information disclosure via hard-coded GUI credentials

Published Sep 30, 2022 · Updated Nov 1, 2024

Authentication bypass in Cisco Catalyst SD-WAN Manager with SD-AVC enabled allows remote attackers to read managed device and network details. The SD-AVC GUI on TCP port 10502 accepts a default static username and password, exposing device names, logs, and DNS server IP addresses. Exposure requires SD-AVC on a self-managed cloud or local-server deployment, or a Cisco-hosted deployment whose GUI was exposed on request.

CVSS severity5.3
Medium
EPSS probability0.83%
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 Cisco Catalyst SD-WAN Manager with SD-AVC enabled allows remote attackers to read managed device and network details. The SD-AVC GUI on TCP port 10502 accepts a default static username and password, exposing device names, logs, and DNS server IP addresses. Exposure requires SD-AVC on a self-managed cloud or local-server deployment, or a Cisco-hosted deployment whose GUI was exposed on request.

The record

CVE
CVE-2022-20844
Published
Sep 30, 2022
Updated
Nov 1, 2024
Vendor
ClamAV
Product
Cisco Catalyst SD-WAN Manager
Classifications
CWE-798, T1078.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 30, 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?

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

  1. Affected versionversion=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco Catalyst SD-WAN Managerversion=n/a

Published CVSS scores

5.3NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3Cisco Systems, Inc.CVSS: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.

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-798Use of Hard-coded Credentials
T1078.001Default Accounts

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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