CVE-2023-20261

CVE-2023-20261 is a medium-severity vulnerability in Cisco Catalyst Sd-wan Manager with a CVSS 3.x base score of 6.5. 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-284.

Key facts

• Severity: Medium (CVSS 3.x base score 6.5)
• EPSS exploit prediction: 1% (43rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-284
• Affected product: Cisco Catalyst Sd-wan Manager
• Published: 2023-10-18
• Last modified: 2026-06-17

Description

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to retrieve arbitrary files from an affected system. This vulnerability is due to improper validation of parameters that are sent to the web UI. An attacker could exploit this vulnerability by logging in to Cisco Catalyst SD-WAN Manager and issuing crafted requests using the web UI. A successful exploit could allow the attacker to obtain arbitrary files from the underlying Linux file system of an affected system. To exploit this vulnerability, the attacker must be an authenticated user.

Frequently asked questions

What is CVE-2023-20261?

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to retrieve arbitrary files from an affected system. This vulnerability is due to improper validation of parameters that are sent to the web UI. An attacker could exploit this vulnerability by logging in to Cisco Catalyst SD-WAN Manager and issuing crafted requests using the web UI. A successful exploit could allow the attacker to obtain arbitrary files from the underlying Linux file system of an affected system. To exploit this vulnerability, the attacker must be an authenticated user.

How severe is CVE-2023-20261?

CVE-2023-20261 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-20261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20261?

CVE-2023-20261 primarily affects Cisco Catalyst Sd-wan Manager. In total, 99 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20261?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-20261 published?

CVE-2023-20261 was published on 2023-10-18 and last updated on 2026-06-17.

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-lfi-OWLbKUGe

Affected products (99)

• cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.8:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.9:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.10:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.7:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.8:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.302:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.303:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.31:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.097:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.099:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.929:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.1.1:*:*:*:*:*:*:*

More vulnerabilities in Cisco Catalyst Sd-wan Manager

• CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
• CVE-2026-20127 — Critical (CVSS 10.0): A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco…
• CVE-2026-20129 — Critical (CVSS 9.8): A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote…
• CVE-2023-20252 — Critical (CVSS 9.8): A vulnerability in the Security Assertion Markup Language (SAML) APIs of Cisco Catalyst SD-WAN Manager Software could…
• CVE-2021-1508 — Critical (CVSS 9.8): Multiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute…
• CVE-2021-1506 — Critical (CVSS 9.8): Multiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute…

All CVEs affecting Cisco Catalyst Sd-wan Manager →

Other CWE-284 (Improper Access Control) vulnerabilities

• CVE-2026-76607 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.3 - ???.
• CVE-2026-20315 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
• CVE-2026-70921 — Critical (CVSS 10.0): Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The…
• CVE-2026-66803 — Critical (CVSS 10.0): Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.
• CVE-2026-58630 — Critical (CVSS 10.0): Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-60358 — Critical (CVSS 10.0): Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).…

Browse all CWE-284 (Improper Access Control) vulnerabilities →