← Vulnerability feed

Vulnerability record · CVE-2021-1226 · published 13 January 2021

CVE-2021-1226: Cisco emergency responder sensitive information in log file vulnerability

Cisco · Emergency Responder

A vulnerability in the audit logging component of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, Cisco Unity Connection, Cisco Emergency Responder, and Cisco Prime License Manager could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system. The vulnerability is due to the storage of certain unencrypted credentials. An attacker could exploit this vulnerability by accessing the audit logs on an affected system and obtaining credentials that they may not normally have access to. A successful exploit could allow the attacker to use those credentials to discover and manage network devices.

6.5 CVSS 3.1 Medium EPSS 0.91% · top 41.7% CWE-532 · Sensitive information in log file
6.5CVSS 3.1 base score, v2 4.0
0.91%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the audit logging component of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, Cisco Unity Connection, Cisco Emergency Responder, and Cisco Prime License Manager could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system. The vulnerability is due to the storage of certain unencrypted credentials. An attacker could exploit this vulnerability by accessing the audit logs on an affected system and obtaining credentials that they may not normally have access to. A successful exploit could allow the attacker to use those credentials to discover and manage network devices.

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2021-1226 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2021-44228Apache Log4j2 JNDI lookup remote code executionApache Log4j2 versions 2.0-beta9 through 2.15.0 (excluding 2.12.2, 2.12.3, and 2.3.1) do not protect against attacker-controlled LDAP and other JNDI …KEVEPSS 100%analysed9.8CVE-2026-20045Cisco Unified Communications products HTTP input code injection RCECisco Unified CM, Unified CM SME, IM & Presence, Unity Connection, and Webex Calling Dedicated Instance fail to properly validate user-supplied input…KEVEPSS 4.5%analysed8.6CVE-2026-20230Cisco Unified CM SSRF enables file write and root escalationCisco Unified Communications Manager and Unified CM SME fail to properly validate input for specific HTTP requests, allowing server-side request forg…KEVEPSS 88%analysed10.0CVE-2025-20309Cisco unified communications manager hard-coded credentials vulnerabilityA vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM …EPSS 1.1%10.0CVE-2024-20253Cisco unified communications manager deserialization of untrusted data vulnerabilityA vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to exe…EPSS 2.4%10.0CVE-2011-1643Cisco unified communications manager information exposure vulnerabilityCisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x, 7.x before 7.1(5b)su4, 8.0, and 8.5 before 8.5(1)su2 and Cisco Unified Pre…EPSS 1.9%10.0CVE-2008-1154Cisco emergency responder improper authentication vulnerabilityThe Disaster Recovery Framework (DRF) master server in Cisco Unified Communications products, including Unified Communications Manager (CUCM) 5.x and…EPSS 5.1%10.0CVE-2008-0027Cisco Unified Communications Manager CTL Provider heap buffer overflowThe Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager and CallManager contains a heap-based buf…EPSS 57%analysed

Source: NIST National Vulnerability Database (record CVE-2021-1226), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.