dbcve.org
Enterprise Chat And EmailApplication · Cisco

CVE-2022-20633

MEDIUM · 5.3 CVSS v3.1 Published 2024-11-15
Fix available
A fix is available. Upgrade to 12.6 or later.
See remediation →
62/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability in the web-based management interface of Cisco ECE could allow an unauthenticated, remote attacker to perform a username enumeration attack against an affected device. This vulnerability is due to differences in authentication responses that are sent back from the application as part of an authentication attempt. An attacker could exploit this vulnerability by sending authentication requests to an affected device. A successful exploit could allow the attacker to confirm existing user accounts, which could be used in further attacks. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is a username enumeration vulnerability in the web-based management interface of Cisco ECE (E-Commerce External). The vulnerability stems from differential authentication responses sent by the application - the system returns different responses (timing, error messages, or HTTP status codes) depending on whether a submitted username exists in the system. An unauthenticated remote attacker can exploit this by sending authentication requests with various usernames to confirm valid accounts, which can then be used for credential stuffing or brute-force attacks.

MitigationApply the Cisco software updates that address this vulnerability. There are no available workarounds, so patching is the only remediation path.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Enterprise Chat And EmailApplication
Affected:< 12.6\(1\)es1

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Verify Cisco ECE web management interface is accessible
    Determine if the Cisco Enterprise Chat And Email web-based management interface is exposed to network access. This is typically accessible via HTTP/HTTPS on the configured management port. Check network exposure and firewall rules.
    Affected if The web management interface is internet-facing or accessible from untrusted networks
  2. Identify Cisco ECE installation and version
    Locate the installed Cisco Enterprise Chat And Email version by accessing the management interface login page, checking system documentation, or using Cisco-specific administrative tools. Look for version information in the about section or system diagnostics.
    Affected if The installed version cannot be determined or is older than 12.6(1)es1
  3. Compare installed version against vulnerable range
    Compare the identified version number to the affected range: versions prior to 12.6(1)es1 are vulnerable. Common version strings may appear as 12.0, 12.5, 12.6, etc.
    Affected if The installed version is less than 12.6(1)es1

A user is affected if the Cisco ECE web management interface is accessible and the installed version is lower than 12.6(1)es1.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 12.6 or later
Fixed in 12.6
Interim mitigation

Apply the Cisco software updates that address this vulnerability. There are no available workarounds, so patching is the only remediation path.

Recommended fix High confidence

12.6(1)es1 or later

  1. 1. Identify the current version of Cisco Enterprise Chat and Email (ECE) installed by accessing the web-based management interface or using system administration tools.
  2. 2. Navigate to the Cisco software download page on sec.cloudapps.cisco.com or the Cisco Software Hub.
  3. 3. Download Cisco ECE version 12.6(1)es1 or a later stable release that addresses CVE-2022-20633.
  4. 4. Review Cisco's upgrade documentation for ECE to understand the upgrade prerequisites and procedures.
  5. 5. Back up the current ECE configuration and database according to Cisco backup best practices.
  6. 6. Apply the upgrade following the documented upgrade path for your current version.
  7. 7. After upgrading, verify that the web-based management interface is accessible and the version reflects the patched release.
  8. 8. Test authentication responses to confirm the username enumeration vulnerability is remediated (responses should be consistent regardless of username validity).

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Enterprise Chat And Email Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2022-20633 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

Get it on GitHub Scan in the browser

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-20633 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data