How severe is CVE-2026-20224?

CVE-2026-20224 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-20224 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-20224?

CVE-2026-20224 primarily affects Cisco Catalyst Sd-wan Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-20224?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-20224 have an EU (EUVD) identifier?

Yes. CVE-2026-20224 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30325.

When was CVE-2026-20224 published?

CVE-2026-20224 was published on 2026-05-14 and last updated on 2026-06-29.

CVE-2026-20224

CVE-2026-20224 is a high-severity vulnerability in Cisco Catalyst Sd-wan Manager with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30325
Weakness: CWE-20
Affected product: Cisco Catalyst Sd-wan Manager
Published: 2026-05-14
Last modified: 2026-06-29

Description

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing an XML file. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to read arbitrary files that are stored in the affected system.

Frequently asked questions

What is CVE-2026-20224?: A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing an XML file. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to read arbitrary files that are stored in the affected system.
How severe is CVE-2026-20224?: CVE-2026-20224 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-20224 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-20224?: CVE-2026-20224 primarily affects Cisco Catalyst Sd-wan Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-20224?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-20224 have an EU (EUVD) identifier?: Yes. CVE-2026-20224 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30325.
When was CVE-2026-20224 published?: CVE-2026-20224 was published on 2026-05-14 and last updated on 2026-06-29.

References

Affected products (2)

cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.7:*:*:*:*:*:*:*

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