AEGLIX vulnerability intelligence
CVE-2026-20262
MEDIUM · CVSS 6.5 · Analyzed
Published: 2026-06-15 · Updated: 2026-07-24 · Source: NVD
Stored catalog record
Source record retrieved 2026-10-28T14:20:58.184067+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
Vulnerability overview
A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker to create a file or overwrite any file on the filesystem of an affected system. This vulnerability exists because the affected software does not properly validate user-supplied input during a file upload process. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected API endpoint of the affected system. A successful exploit could allow the attacker to create or overwrite any file on the underlying operating system. This file could later be used to elevate to root. To exploit this vulnerability, the attacker must have valid credentials with at least a lower-privileged, single-task user account.
Patch review priority
Known exploitation: prioritize review
- CISA KEV lists real-world exploitation.
FIRST EPSS: 29.12% · percentile 98.2 · score date 2026-10-27.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 6.5 · MEDIUM
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-22
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Cisco · Catalyst SD-WAN Manager
- Added to catalog
- 2026-06-15
- Required action
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
- CISA remediation due date
- 2026-06-29
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
Before (exclusive): 20.9.9.2
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
From (inclusive): 20.10
Before (exclusive): 20.12.7.2
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
From (inclusive): 20.13
Before (exclusive): 20.15.4.5
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
From (inclusive): 20.15.5
Before (exclusive): 20.15.5.3
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
From (inclusive): 20.16
Before (exclusive): 20.18.3.1
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
From (inclusive): 26.1
Before (exclusive): 26.1.1.2
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.