CVE-2021-1561

Cisco Secure Email and Web Manager Spam Quarantine Unauthorized Access Vulnerability

MEDIUM
5.4
CVSS Score
Published: August 18, 2021 at 07:40 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
2 products affected across 1 vendorCisco Secure Email and Web ManagerContent Security Management Appliance

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

A vulnerability in the spam quarantine feature of Cisco Secure Email and Web Manager, formerly Cisco Security Management Appliance (SMA), could allow an authenticated, remote attacker to gain unauthorized access and modify the spam quarantine settings of another user. This vulnerability exists because access to the spam quarantine feature is not properly restricted. An attacker could exploit this vulnerability by sending malicious requests to an affected system. A successful exploit could allow the attacker to modify another user's spam quarantine settings, possibly disabling security controls or viewing email messages stored on the spam quarantine interfaces.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-302CWE-287

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