7.5

CVE-2026-20133: Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

CVSS: 7.5v3.1HighKEVAnalyzed
Published 25-02-2026Last modified 22-04-2026
Open JSON

Vulnerability summary

CVE-2026-20133 is a high (CVSS 7.5) vulnerability in Cisco Catalyst SD-WAN Manager. It is known to be exploited: CISA lists it, first on 20-04-2026. EPSS estimates a 32.43% chance of exploitation in the next 30 days, higher than 98.3% of scored vulnerabilities.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
32.43%
0%100%
High · +1.08 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-02-2026
    PublishedVulnerability first disclosed.
  2. 20-04-2026
    Added to CISA KEVCisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
  3. 22-04-2026
    Last modifiedVulnerability information updated.
  4. 23-04-2026
    CISA remediation dueApply mitigations per vendor instructions.

Description

A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

32.43%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

+1.08 pp

From 31.35% on 21-09-2026

21-09-202621-10-2026
EPSS score
32.43%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
20-04-2026
Federal due date
23-04-2026

CISA required action

Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available. www.cisa.gov/news-events/… sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v nvd.nist.gov/vuln/detail/CVE-2026-20133

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products
  • catalyst_sd-wan_manager< 20.9.8.2 | ≥ 20.10, < 20.12.5.3 | ≥ 20.13, < 20.15.4.2 | ≥ 20.16, < 20.18.2.1 | 20.12.6
  • cisco catalyst sd-wan manager17.2.6 | 17.2.7 | 17.2.8 | 17.2.9 | 17.2.10 | 17.2.4 | 17.2.5 | 18.3.1.1 | 18.3.3.1 | 18.3.3 | 18.3.4 | 18.3.5 | 18.3.7 | 18.3.8 | 18.3.6.1 | 18.3.1 | 18.3.0 | 18.4.0.1 | 18.4.3 | 18.4.302 | 18.4.303 | 18.4.4 | 18.4.5 | 18.4.0 | 18.4.1 | 18.4.6 | 19.2.0 | 19.2.097 | 19.2.099 | 19.2.1 | 19.2.2 | 19.2.3 | 19.2.31 | 19.2.929 | 19.2.4 | 20.11.1 | 20.1.12 | 20.1.1 | 20.1.2 | 20.1.3 | 19.3.0 | 19.1.0 | 18.2.0 | 20.3.1 | 20.3.2 | 20.3.2.1 | 20.3.3 | 20.3.3.1 | 20.3.4 | 20.3.4.1 | 20.3.4.2 | 20.3.5 | 20.3.6 | 20.3.7 | 20.3.7.1 | 20.3.4.3 | 20.3.5.1 | 20.3.7.2 | 20.3.8 | 20.4.1 | 20.4.1.1 | 20.4.1.2 | 20.4.2 | 20.4.2.2 | 20.4.2.1 | 20.4.2.3 | 20.5.1 | 20.5.1.2 | 20.5.1.1 | 20.6.1 | 20.6.1.1 | 20.6.2.1 | 20.6.2.2 | 20.6.2 | 20.6.3 | 20.6.3.1 | 20.6.4 | 20.6.5 | 20.6.5.1 | 20.6.5.3 | 20.6.1.2 | 20.6.3.2 | 20.6.4.1 | 20.6.5.2 | 20.6.5.4 | 20.6.3.3 | 20.6.4.2 | 20.6.3.0.45 | 20.6.3.0.46 | 20.6.3.0.47 | 20.6.3.4 | 20.6.4.0.21 | 20.6.5.1.10 | 20.6.5.1.11 | 20.6.5.1.7 | 20.6.5.1.9 | 20.6.5.2.4 | 20.6.5.5 | 20.6.5.2.8 | 20.6.5.1.13 | 20.6.6 | 20.6.7 | 20.6.8 | 20.7.1 | 20.7.1.1 | 20.7.2 | 20.8.1 | 20.9.1 | 20.9.2 | 20.9.2.1 | 20.9.3 | 20.9.3.1 | 20.9.2.3 | 20.9.3.0.12 | 20.9.3.0.16 | 20.9.3.0.17 | 20.9.3.0.18 | 20.9.3.0.20 | 20.9.3.0.21 | 20.9.3.2 | 20.9.3.2_LI_Images | 20.9.4 | 20.9.4_LI_Images | 20.9.3.0.23 | 20.9.4.1 | 20.9.5 | 20.9.5.1 | 20.9.5.2 | 20.9.6 | 20.9.5.3 | 20.9.7 | 20.9.7.1 | 20.9.8 | 20.10.1 | 20.10.1.1 | 20.10.1.2 | 20.11.1.1 | 20.11.1.2 | 20.12.1 | 20.12.1_LI_Images | 20.12.2 | 20.12.3 | 20.12.3.1 | 20.12.4 | 20.12.4.1 | 20.12.5 | 20.12.5.1 | 20.12.5.2 | 20.12.6 | 20.13.1 | 20.14.1 | 20.15.1 | 20.15.2 | 20.15.3 | 20.15.3.1 | 20.15.4 | 20.15.4.1 | 20.16.1 | 20.18.1 | 20.18.2

1 vendor · 2 products

References

2 links