Cyber Resilience

CVE-2021-1362

HighRCE

Published: 08 April 2021

Published
08 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0202 84.1th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1362 is a high-severity Code Injection (CWE-94) vulnerability in Cisco Unified Communications Manager. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 15.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability in the SOAP API endpoint of Cisco Unified Communications Manager, Cisco Unified Communications Manager Session Management Edition, Cisco Unified Communications Manager IM & Presence Service, Cisco Unity Connection, and Cisco Prime License Manager could allow an authenticated, remote…

more

attacker to execute arbitrary code on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by sending a SOAP API request with crafted parameters to an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges on the underlying Linux operating system of the affected device.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
prime license manager
10.5\(2\) — 11.5\(1\)su9
cisco
unified communications manager
10.5\(2\) — 11.5\(1\)su9 · 10.5\(2\) — 11.5\(1\)su9 · 12.0\(1\) — 12.5\(1\)su4
cisco
unified communications manager im \& presence service
10.5\(2\) — 11.5\(1\)su9 · 12.0\(1\) — 12.5\(1\)su4
cisco
unity connection
10.5\(2\) — 11.5\(1\)su9 · 12.0\(1\) — 12.5\(1\)su4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-94

Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References