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2329 articles · 160973 vulns · 36/41 feeds (7d)
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7.8
CVE-2026-20245EXPLOITED
cis · catalyst sd-wan

Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability

Description

An attacker could exploit this vulnerability by uploading a crafted file to the affected system. A successful exploit could allow the attacker to perform command injection attacks on an affected system and elevate their privileges as the root user.

Affected Products

VendorProductVersions
ciscatalyst sd-wan20.1.12, 19.2.1, 18.4.4, 18.4.5, 20.1.1.1, 20.1.1, 19.3.0, 19.2.2, 19.2.099, 18.3.6, 18.3.7, 19.2.0, 18.3.8, 19.0.0, 19.1.0, 18.4.302, 18.4.303, 19.2.097, 19.2.098, 17.2.10, 18.3.6.1, 19.0.1a, 18.2.0, 18.4.3, 18.4.1, 17.2.8, 18.3.3.1, 18.4.0, 18.3.1, 17.2.6, 17.2.9, 18.3.4, 17.2.5, 18.3.1.1, 18.3.5, 18.4.0.1, 18.3.3, 17.2.7, 17.2.4, 18.3.0, 19.2.3, 18.4.501_ES, 20.3.1, 20.1.2, 19.2.929, 19.2.31, 20.3.2, 19.2.32, 20.3.2_925, 20.3.2.1, 20.3.2.1_927, 18.4.6, 20.1.2_937, 20.4.1, 20.3.2_928, 20.3.2_929, 20.4.1.0.1, 20.3.2.1_930, 19.2.4, 20.5.0.1.1, 20.4.1.1, 20.3.3, 19.2.4.0.1, 20.3.2_937, 20.3.3.1, 20.5.1, 20.1.3, 20.3.3.0.4, 20.3.3.1.2, 20.3.3.1.1, 20.4.1.2, 20.3.3.0.2, 20.4.1.1.5, 20.4.1.0.01, 20.4.1.0.02, 20.3.3.1.7, 20.3.3.1.5, 20.5.1.0.1, 20.3.3.1.10, 20.3.3.0.8, 20.4.2, 20.4.2.0.1, 20.3.4, 20.3.3.0.14, 19.2.4.0.8, 19.2.4.0.9, 20.3.4.0.1, 20.3.2.0.5, 20.6.1, 20.5.1.0.2, 20.3.3.0.17, 20.6.1.1, 20.6.0.18.3, 20.3.2.0.6, 20.6.0.18.4, 20.4.2.0.2, 20.3.3.0.16, 20.3.4.0.5, 20.6.1.0.1, 20.3.4.0.6, 20.6.2, 20.7.1EFT2, 20.3.4.0.9, 20.3.4.0.11, 20.4.2.0.4, 20.3.3.0.18, 20.7.1, 20.6.2.1, 20.3.4.1, 20.5.1.1, 20.4.2.1, 20.4.2.1.1, 20.3.4.1.1, 20.3.813, 20.3.4.0.19, 20.4.2.2.1, 20.5.1.2, 20.3.4.2, 20.3.814, 20.4.2.2, 20.6.2.2, 20.3.4.2.1, 20.7.1.1, 20.3.4.1.2, 20.6.2.2.2, 20.3.4.0.20, 20.6.2.2.3, 20.4.2.2.2, 20.3.5, 20.6.2.0.4, 20.4.2.2.3, 20.3.4.0.24, 20.6.2.2.7, 20.6.3, 20.3.4.2.2, 20.4.2.2.4, 20.7.1.0.2, 20.8.1, 20.3.5.0.8, 20.3.5.0.9, 20.4.2.2.8, 20.3.5.0.7, 20.6.3.0.7, 20.6.3.0.5, 20.6.3.0.10, 20.6.3.0.2, 20.7.2, 20.9.1EFT2, 20.6.3.0.11, 20.6.3.1, 20.6.3.0.14, 20.6.4, 20.9.1, 20.6.3.0.19, 20.6.3.0.18, 20.3.6, 20.9.1.1, 20.6.3.0.23, 20.6.4.0.4, 20.6.3.0.25, 20.6.5, 20.6.3.0.27, 20.9.2, 20.9.2.1, 20.6.3.0.29, 20.6.3.0.31, 20.6.3.0.32, 20.10.1, 20.6.3.0.33, 20.9.2.0.01, 20.9.1_LI_Images, 20.10.1_LI_Images, 20.9.2_LI_Images, 20.3.7, 20.9.3, 20.6.5.1, 20.11.1, 20.11.1_LI_Images, 20.9.3_LI_ Images, 20.6.3.1.1, 20.9.3.0.2, 20.6.5.1.2, 20.9.3.0.3, 20.4.2.3, 20.6.3.2, 20.6.4.1, 20.6.3.0.38, 20.6.3.0.39, 20.3.5.1, 20.3.4.3, 20.9.3.1, 20.3.3.2, 20.6.5.2, 20.3.7.1, 20.10.1.1, 20.6.5.2.1, 20.3.4.0.25, 20.6.2.2.4, 20.6.1.2, 20.11.1.1, 20.9.3.0.5, 20.3.4.0.26, 20.6.5.1.3, 20.6.3.0.40, 20.1.3.1, 20.9.2.2, 20.6.5.2.3, 20.6.5.1.4, 20.6.5.3, 20.6.3.0.41, 20.9.3.0.7, 20.6.5.1.5, 20.9.3.0.4, 20.6.4.0.19, 20.6.5.1.6, 20.9.3.0.8, 20.6.3.3, 20.3.7.2, 20.6.5.4, 20.6.5.1.7, 20.9.3.0.12, 20.6.4.2, 20.6.5.5, 20.9.3.2, 20.11.1.2, 20.6.3.4, 20.10.1.2, 20.6.5.1.9, 20.9.3.0.16, 20.6.3.0.45, 20.6.5.1.10, 20.9.3.0.17, 20.6.5.2.4, 20.6.4.0.21, 20.9.3.0.18, 20.6.3.0.46, 20.6.3.0.47, 20.9.2.3, 20.9.3.2_LI_Images, 20.9.3.0.21, 20.9.3.0.20, 20.9.4_LI_Images, 20.9.4, 20.6.5.1.11, 20.12.1, 20.12.1_LI_Images, 20.6.5.1.13, 20.9.3.0.23, 20.6.5.2.8, 20.9.4.1, 20.9.4.1_LI_Images, 20.9.3.0.25, 20.9.3.0.24, 20.6.5.1.14, 20.3.8, 20.6.6, 20.9.3.0.26, 20.6.3.0.51, 20.9.3.0.29, 20.12.2, 20.12.2_LI_Images, 20.6.6.0.1, 20.13.1_LI_Images, 20.9.4.0.4, 20.13.1, 20.9.4.1.1, 20.9.5, 20.9.5_LI_Images, 20.12.3_LI_Images, 20.12.3, 20.9.4.1.3, 20.6.7, 20.9.5.1, 20.9.5.1_LI_Images, 20.9.4.1.6, 20.14.1, 20.14.1_LI_Images, 20.9.5.2, 20.9.5.2.1, 20.9.5.2_LI_Images, 20.12.3.1, 20.12.4, 20.15.1_LI_Images, 20.15.1, 20.9.5.1.4, 20.9.5.2.7, 20.9.5.2.13, 20.9.6, 20.9.6_LI_Images, 20.9.5.2.14, 20.6.8, 20.12.4.0.03, 20.16.1, 20.16.1_LI_Images, 20.12.4_LI_Images, 20.9.5.2.16, 20.12.4.0.4, 20.12.401, 20.9.5.3, 20.9.5.3_LI_Images, 20.12.4.1_LI_Images, 20.12.4.1, 20.9.5.2.21, 20.9.6.0.3, 20.12.4.0.6, 20.15.2_LI_Images, 20.15.2, 20.12.4_Monthly_ES5, 20.12.5, 20.12.5_LI_Images, 20.9.7_LI _Images, 20.9.7, 20.15.3, 20.15.3_ LI _Images, 20.12.501, 20.12.5.1_LI_Images, 20.12.5.1, 20.12.5.2_LI_Images, 20.12.5.2, 20.15.3.1, 20.15.4_LI_Images, 20.15.4, 20.9.7.1_LI _Images, 20.9.7.1, 20.18.1, 20.18.1_LI_Images, 20.12.6_LI_Images, 20.12.6, 20.12.5.1.01, 26.0.1, 20.9.8, 20.9.8_LI_Images, 20.18.2, 20.15.4.1_LI_Images, 20.15.4.1, 20.18.2_LI_Images, 26.1.1, 26.1.1_LI_Images, 20.18.2.1_LI_Images, 20.18.2.1, 20.15.4.2_LI_Images, 20.15.4.2, 20.12.6.1, 20.12.6.1_LI_Images, 20.12.5.3, 20.12.5.3_LI_Images, 20.9.8.2_LI_Images, 20.9.8.2, 20.18.3, 20.18.3_LI_Images, 20.15.5, 20.15.5_LI_Images, 20.12.7, 20.12.7_LI_Images, 20.9.9, 20.9.9_LI_Images, 20.18.2.2, 20.18.2.2_LI_Images, 20.12.5.4, 20.12.5.4_LI_ Images, 20.12.7.1_LI_Images, 20.12.6.2_LI_Images, 20.12.7.1, 20.15.5.1, 20.15.4.3, 20.15.4.3_LI_Images, 20.15.5.1_LI_Images, 20.12.6.2, 20.15.5.2, 20.15.5.2_LI_Images, 26.1.1.1_LI_Images, 20.15.4.4, 20.15.4.4_LI_Images, 26.1.1.1, 20.9.9.1_LI_Images, 20.9.9.1

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
ciscisco catalyst sd-wancert_advisory90%

References

  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-4uxFrdzx
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW

Related News (11 articles)

Tier D
CSO Online1h ago
Attackers exploiting unpatched Cisco SD-WAN flaw
→ No new info (linked only)
Tier D
The Hacker News2d ago
Cisco Catalyst SD-WAN Manager CVE-2026-20245 Flaw Actively Exploited – No Patch Available
→ No new info (linked only)
Tier E
Hacker News2d ago
Yet another Cisco SD-WAN 0-day under attack, and no patch in sight
→ No new info (linked only)
Tier B
CCCS Canada3d ago
Cisco security advisory (AV26-551)
→ No new info (linked only)
Tier D
Heise Security3d ago
Cisco warnt vor neuer attackierter SD-WAN-Sicherheitslücke
→ No new info (linked only)
Tier B
BSI Advisories3d ago
[NEU] [UNGEPATCHT] [hoch] Cisco Catalyst SD-WAN Manager: Schwachstelle ermöglicht Privilegieneskalation
→ No new info (linked only)
Tier D
Help Net Security3d ago
Cisco SD-WAN 0-day exploited, no patch available (CVE-2026-20245)
→ No new info (linked only)
Tier D
BleepingComputer3d ago
Cisco warns of unpatched SD-WAN zero-day exploited in attacks
→ No new info (linked only)
Tier D
SecurityWeek3d ago
Cisco Warns of 7th SD-WAN Zero-Day Exploited in 2026
→ No new info (linked only)
Tier B
CERT-FR3d ago
Vulnérabilité dans Cisco Catalyst SD-WAN (05 juin 2026)
→ No new info (linked only)
Tier C
VulDB4d ago
CVE-2026-20245 | Cisco Catalyst SD-WAN Manager up to 26.1.1_LI_Images File escape output (cisco-sa-sdwan-privesc-4uxFrdzx)
→ No new info (linked only)
CVSS 3.17.8 HIGH
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited✅ Yes
CWECWE-116, CWE-20
PublishedJun 4, 2026
Last enriched1h agov7
Tags
CVE-2026-20245CVE-2026-20182CVE-2026-20127UAT-8616
Trending Score91
Source articles11
Independent11
Info Completeness10/14
Missing: epss, kev, patch, mitre_attack

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jun 4, 2026
Discovered by ZDM
Jun 4, 2026
Updated: description, severity, cvssEstimate
Jun 4, 2026
Updated: exploitAvailable, activelyExploited
Jun 5, 2026
Updated: cweIds, tags
Jun 5, 2026
Updated: iocs
Jun 5, 2026
Actively Exploited
Jun 6, 2026
Exploit Available
Jun 6, 2026
Updated: description, cweIds
Jun 8, 2026
Updated: description, tags
Jun 8, 2026

Version History

v7
Last enriched 1h ago
v7Tier D1h ago

Updated description with technical details about command injection and added new vendor and product information along with a new IOC and tag.

descriptiontags
via CSO Online
v6Tier D1h ago

Updated description with additional technical details, added new CWE-20, and included new tags and IoCs.

descriptioncweIds
via CSO Online
v5Tier D3d ago

Added IOC for log file path and confirmed CVE IDs including CVE-2026-20182 and CVE-2026-20127.

iocs
via Heise Security
v4Tier D3d ago

Updated CVSS to 7.8, added new CWEs, and included IOC for log file examination.

cweIdstags
via Heise Security
v3Tier B3d ago

Updated exploit availability to true and marked the vulnerability as actively exploited.

exploitAvailableactivelyExploited
via BSI Advisories
v2Tier C3d ago

Updated description with new details, changed vendor to 'cisco', product to 'Cisco Catalyst SD-WAN Manager', added affected version '26.1.1_LI_Images', and updated severity to 'MEDIUM'.

descriptionseveritycvssEstimate
via VulDB
v14d ago

Initial creation