No exploitation reportedFix available

CVE-2020-3229

No exploitation reported by the sources we read.

Published2020-06-03
WeaknessCWE-264 · CWE-863

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability in Role Based Access Control (RBAC) functionality of Cisco IOS XE Web Management Software could allow a Read-Only authenticated, remote attacker to execute commands or configuration changes as an Admin user. The vulnerability is due to incorrect handling of RBAC for the administration GUI. An attacker could exploit this vulnerability by sending a modified HTTP request to the affected device. An exploit could allow the attacker as a Read-Only user to execute CLI commands or configuration changes as if they were an Admin user.

Timeline

dates in UTC

2020-06-0318:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-3229?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-3229?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Cisco ios xe

Branch	Affected	Fixed in	Source
16.2	= 16.2.2	no fix published	NVD
16.3	= 16.3.1	no fix published	NVD
16.3	= 16.3.1a	no fix published	NVD
16.3	= 16.3.2	no fix published	NVD
16.3	= 16.3.3	no fix published	NVD
16.3	= 16.3.4	no fix published	NVD
16.3	= 16.3.5	no fix published	NVD
16.3	= 16.3.5b	no fix published	NVD
16.3	= 16.3.6	no fix published	NVD
16.3	= 16.3.7	no fix published	NVD
16.3	= 16.3.8	no fix published	NVD
16.3	= 16.3.9	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

tools.cisco.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-11-15
OpenCVESSVC decisionnone—
NVDCVSS 3.18.8read 2026-10-23
CNACVSS 3.08.8read 2026-10-23
NVDCVSS 2.09read 2026-10-23
CNAweakness (CWE)CWE-264read 2026-10-23
NVDweakness (CWE)CWE-863read 2026-10-23
FIRST EPSSEPSS score5.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2020-06-03
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-3229?

Is CVE-2020-3229 actively exploited?

Active exploitation of CVE-2020-3229 has not been confirmed. Its EPSS score was 5.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-3229?

CVE-2020-3229 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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