Cisco Enterprise Chat and Email Denial of Service Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
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 crafted MR PIM traffic to an affected device. A successful exploit could allow the attacker to trigger a failure on the MR PIM connection between Cisco ECE and Cisco Unified Contact Center Enterprise (CCE), leading to a DoS condition on EAAS that would prevent customers from starting chat, callback, or delayed callback sessions. Note: When the attack traffic stops, the EAAS process must be manually restarted to restore normal operation. To restart the process in the System Console, choose Shared Resources > Services > Unified CCE > EAAS, then click Start.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Cisco Cisco Enterprise Chat and Email
11.6(1)_ES3, 11.6(1)_ES4, 12.0(1)_ES6, 11.6(1)_ES9, 11.6(1)_ES6, 11.6(1)_ES5, 12.5(1)_ET1, 12.5(1)_ES3_ET1, 12.0(1)_ES3, 11.6(1)_ES11, 12.0(1)_ES4, 12.0(1)_ES5, 11.6(1)_ES2, 11.6(1)_ES9a, 11.6(1)_ES10, 12.0(1)_ES1, 12.0(1), 12.5(1)_ES3, 12.6(1), 11.5(1), 12.0(1)_ES2, 11.6(1)_ES7, 12.6(1)_ET1, 11.6(1), 12.6(1)_ET2, 12.5(1)_ES3_ET2, 12.0(1)_ES6_ET2, 12.6(1)_ES1, 11.6(1)_ES12, 12.6(1)_ET3, and 45 more