CVE-2024-20484: A vulnerability in the External Agent Assignment Service (EAAS) feature of Cisco Enterprise Chat and Email (EC

Q: How do I fix CVE-2024-20484?

enterprise chat and email: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2024-20484 being exploited?

CVE-2024-20484 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-20484 affect?

CVE-2024-20484 affects enterprise chat and email. Severity is high (CVSS 7.5). A vulnerability in the External Agent Assignment Service (EAAS) feature of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vul

Q: How urgent is CVE-2024-20484?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEMITIGATE

CVE-2024-20484 is a high-severity flaw (CVSS 7.5) affecting enterprise chat and email. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the External Agent Assignment Service (EAAS) feature of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of Media Routing Peripheral Interface Manager (MR PIM) traffic that is received by an affected device. An attacker could exploit this vulnerability by sending crafte

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-20
Published	2024-11-06
Last modified	2026-06-17

Publisher (CNA): Cisco Systems, Inc. · Vendor: cisco

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-06 17:15 UTCPublished CVE record published
2026-06-17 07:07 UTCUpdated Record last modified

cisco enterprise chat and email MITIGATE

Affected: < 12.5(1)es9 · >= 12.6(1) and < 12.6(1)es9

Fixed in: 12.5(1)es9, 12.6(1)es9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy enterprise-chat-and-email || rpm -q enterprise-chat-and-email || enterprise-chat-and-email --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-20484?

enterprise chat and email: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-20484 being exploited?

CVE-2024-20484 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-20484 affect?

CVE-2024-20484 affects enterprise chat and email. Severity is high (CVSS 7.5). A vulnerability in the External Agent Assignment Service (EAAS) feature of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vul

How urgent is CVE-2024-20484?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Software pages

Cisco vulnerabilities

Related CVEs

CVE-2025-20310 MEDIUM 6.1 MITIGATE A vulnerability in the web UI of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote
CVE-2025-20139 HIGH 7.5 MITIGATE A vulnerability in chat messaging features of Cisco Enterprise Chat and Email (ECE) could allow an unauthentic
CVE-2024-20367 MEDIUM 5.4 MITIGATE A vulnerability in the web UI of Cisco Enterprise Chat and Email (ECE) could allow an authenticated, remote at
CVE-2022-20634 MEDIUM 4.7 MITIGATE A vulnerability in the web-based management interface of Cisco ECE could allow an unauthenticated, remote
CVE-2022-20633 MEDIUM 5.3 MITIGATE A vulnerability in the web-based management interface of Cisco ECE could allow an unauthenticated, remote

References

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