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CVE-2020-3567

19
FAUCET Score

CVE-2020-3567 describes a denial-of-service vulnerability in the management REST API of Cisco Industrial Network Director (IND) and Cisco Network Level Service. An authenticated, remote attacker can exploit insufficient request validation to elevate CPU utilization to 100%, requiring manual intervention for recovery. Rated Medium severity (CVSS 6.5), this vulnerability has a low attack complexity and high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.9.0CPE matchmatch criteria
cpe:2.3:a:cisco:industrial_network_director:*:*:*:*:*:*:*:*
1.8\(0.142\)CPE matchmatch criteria
cpe:2.3:a:cisco:network_level_service:1.8\(0.142\):*:*:*:*:*:*:*
1.9\(0.63\)CPE matchmatch criteria
cpe:2.3:a:cisco:network_level_service:1.9\(0.63\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.15%
Probability of exploitation in next 30 days
EPSS Percentile
63.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0115 is in the 78th percentile among its peer group of 21,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-ind-dos-BwG634zn
Vendor Advisory