[NEW] [high] Cisco Catalyst SD-WAN Manager: Multiple Vulnerabilities
A remote, authenticated attacker can exploit multiple vulnerabilities in Cisco Catalyst SD-WAN Manager to execute arbitrary code, bypass security measures, disclose confidential information, manipulate data, or elevate privileges.
CSIRTS triage
- What
- Multiple vulnerabilities allow authenticated attackers to execute arbitrary code, bypass security measures, disclose information, manipulate data, and escalate privileges.
- Who is affected
- Cisco Catalyst SD-WAN Manager deployments accessible to authenticated users.
- Urgency
- High severity with authenticated code execution and privilege escalation requires urgent patching.
- Action
- Apply available Cisco Catalyst SD-WAN Manager security updates.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2676
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-203030.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-203040.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-203100.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-203120.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 9% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-203130.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-202940.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-20303 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20304 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20310 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20312 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20313 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-20294 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownNCSC-2026-0277 [1.00] [M/H] Vulnerabilities patched in Cisco Catalyst SD-WANncsc-nl
- unknownMultiple vulnerabilities in Cisco products (August 6, 2026)cert-fr-avis
- highCVE-2026-20313: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Cat…nvd
- highCVE-2026-20312: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Cat…nvd
- criticalCVE-2026-20310: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Cat…nvd
- criticalCVE-2026-20304: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Cat…nvd
- criticalCVE-2026-20303: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Cat…nvd
- mediumCVE-2026-20294: A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could a…nvd
- criticalCisco Advance Notification for Publication of August 5, 2026, Security Advisoriescisco-psirt
- criticalCisco Catalyst SD-WAN Software Security Hardening Release: August 2026cisco-psirt
- mediumCisco Catalyst SD-WAN Manager Information Disclosure Vulnerabilitycisco-psirt
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