Cisco IOS XE Software Privilege Escalation Vulnerability

published 2020-06-03 6y ago modified 2026-06-17 4mo ago also EUVD-2020-24485

cvss: 6.7; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits: 0; none known

A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker to escalate their privileges to a user with root-level privileges. The vulnerability is due to insufficient validation of user-supplied content. This vulnerability could allow an attacker to load malicious software onto an affected device.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: last yr. (2024-11-15)

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.7	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Cisco Cisco IOS XE Software 16.11.1

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls
CWE-20 Improper Input Validation

Technology feeds

Cisco IOS rss critical rss

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-priv-esc2-A6jVRu7C
vendor-advisory

Sources

CVE List CVE-2020-3214
NVD CVE-2020-3214

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