CVE-2023-20252Active Exploitation(cisco / catalyst_sd-wan_manager)

LOWCVSS 9.8 · CRITICAL

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

  • Prioritize remediation for cisco catalyst_sd-wan_manager systems immediately
  • Assume compromise if assets are exposed
  • Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

A vulnerability in the Security Assertion Markup Language (SAML) APIs of Cisco Catalyst SD-WAN Manager Software could allow an unauthenticated, remote attacker to gain unauthorized access to the application as an arbitrary user. This vulnerability is due to improper authentication checks for SAML APIs. An attacker could exploit this vulnerability by sending requests directly to the SAML API. A successful exploit could allow the attacker to generate an authorization token sufficient to gain access to the application.

3.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-862CWE-287

Priority

LOW

Exploitation

ACTIVE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • catalyst_sd-wan_manager

Threat summary

  • Active exploitation appears in 1 classified signals
  • 1 mentions across 1 observed day

What's happening

  • Active exploitation reported across 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
catalyst_sd-wan_manager

2 versions affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-16: 1Active Exploitation · 2026-06-16: 106-16
Signal classification1 categories
Active Exploitation
1100.0%
Referenced assets1 URL
Full discourse1 post
  • nksistemas@nksistemas
    Active Exploitation

    Alerta Crítica: Explotación Activa de Vulnerabilidad en Cisco SD-WAN vManage (CVE-2023-20252) https://nksistemas.com/alerta-critica-explotacion-activa-de-vulnerabilidad-en-cisco-sd-wan-vmanage-cve-2023-20252/

    Post summary

    The article claims CVE-2023-20252 is being actively exploited in Cisco SD‑WAN vManage but offers no proof‑of‑concept, exploit code, patch information or detailed technical description.

    02011115
    6.2K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appciscocatalyst_sd-wan_manager20.11.1.2--
Appciscocatalyst_sd-wan_manager20.9.3.2--

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