CVE-2024-20390Medium· 5.3▾ SunlitA vulnerability in the Dedicated XML Agent feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) on XML TCP listen port 38751. This vulnerability is due to a lack of proper e…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.2 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Oct 3.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.4%
A vulnerability in the Dedicated XML Agent feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) on XML TCP listen port 38751.
This vulnerability is due to a lack of proper error validation of ingress XML packets. An attacker could exploit this vulnerability by sending a sustained, crafted stream of XML traffic to a targeted device. A successful exploit could allow the attacker to cause XML TCP port 38751 to become unreachable while the attack traffic persists.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is part of the September 2024 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2024 Semiannual Cisco IOS XR Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75416"].
Cisco IOS XR Software Dedicated XML Agent TCP Denial of Service Vulnerability. Released 2024-09-11.
Affected:
Cisco has released software updates that address this vulnerability. https://software.cisco.com
Connected by shared product, vendor, weakness, or advisory.
CVE-2025-20138High· 8.8Cisco IOS XR Software CLI Privilege Escalation Vulnerability (CVE-2025-20138)
CVE-2025-20115High· 8.6Cisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability
CVE-2025-20142High· 8.6Cisco IOS XR Software for ASR 9000 Series Routers L2VPN Denial of Service Vulnerability
CVE-2025-20143Medium· 6.7Cisco IOS XR Software Secure Boot Bypass Vulnerability (CVE-2025-20143)
CVE-2025-20146High· 8.6Cisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Service Vulnerability
CVE-2024-20304High· 8.6Cisco IOS XR Software Packet Memory Exhaustion Vulnerability