CVE-2026-20133

84

FAUCET Score

CVE-2026-20133 describes a sensitive information disclosure vulnerability in Cisco Catalyst SD-WAN Manager, stemming from insufficient file system access restrictions. An unauthenticated, remote attacker can exploit this by accessing the system's API to read sensitive data from the underlying operating system. Rated 7.5 HIGH on CVSS, this vulnerability has a low attack complexity and requires no user interaction, but only impacts confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or KEV listing, though it has garnered some community discussion and media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 20.9.8.2CPE matchmatch criteria	cpe:2.3:a:cisco:catalyst_sd-wan_manager::::::::
		>= 20.10, < 20.12.5.3CPE matchmatch criteria	cpe:2.3:a:cisco:catalyst_sd-wan_manager::::::::
		>= 20.13, < 20.15.4.2CPE matchmatch criteria	cpe:2.3:a:cisco:catalyst_sd-wan_manager::::::::
		>= 20.16, < 20.18.2.1CPE matchmatch criteria	cpe:2.3:a:cisco:catalyst_sd-wan_manager::::::::
		20.12.6CPE matchmatch criteria	cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:::::::*

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:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

31.35%

Probability of exploitation in next 30 days

EPSS Percentile

98.1%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

Added to KEV · Apr 20, 2026

This CVE's current EPSS score of 0.3135 is in the 97th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

gcppatch availablevia llm_extracted

Fixed in: 1.2

opensipspatch availablevia llm_extracted

Fixed in: 1.2

amazonvendor investigatingvia llm_extracted

ciscovendor investigatingvia nvd_reference

horillavendor investigatingvia llm_extracted

inveniosoftwarevendor investigatingvia llm_extracted

jitsivendor investigatingvia llm_extracted

leantimevendor investigatingvia llm_extracted

nutanixvendor investigatingvia llm_extracted

Vendor Advisories (8)

opensipsllm-opensips-bf4778697c828122CRITICAL

Cisco Catalyst SD-WAN Vulnerabilities

amazonllm-amazon-55b3d2bba14e4fedHIGH

Cisco Catalyst SD-WAN Manager Information Disclosure (CVE-2026-20133)

nutanixllm-nutanix-9cdcf9fbfd6af64aHIGH

Cisco Catalyst SD-WAN Manager Information Disclosure (CVE-2026-20133)

horillallm-horilla-6fb3f3c3e6362164HIGH

Cisco Catalyst SD-WAN Manager Information Disclosure (CVE-2026-20133)

leantimellm-leantime-61504359a3f07427HIGH

Cisco Catalyst SD-WAN Manager Information Disclosure (CVE-2026-20133)

jitsillm-jitsi-995d69ad5b8a8722HIGH

Cisco Catalyst SD-WAN Manager Information Disclosure (CVE-2026-20133)

inveniosoftwarellm-inveniosoftware-8f1bec2f4239ee80HIGH

Cisco Catalyst SD-WAN Manager Information Disclosure (CVE-2026-20133)

gcpllm-gcp-582ab54c9a587fb8CRITICAL

Cisco Catalyst SD-WAN Vulnerabilities

References

cisa.gov / known-exploited-vulnerabilities-catalog

US Government Resource

sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v

Vendor Advisory