CVE-2015-0688 Denial of service in n/a
Remote attackers can crash the Embedded Services Processor module on Cisco IOS XE devices by sending malformed H.323 packets when NAT is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-0688?
CVE-2015-0688 is a high-severity denial of service vulnerability in Cisco Ios Xe, published on 4 Apr 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS XE 3.10.2S on an ASR 1000 device with an Embedded Services Processor (ESP) module, when NAT is enabled, allows remote attackers to cause a denial of service (module crash) via malformed H.323 packets, aka Bug ID CSCup21070.
Weakness: CWE-399
Which versions are affected by CVE-2015-0688?
It affects 1 product.
Products include Cisco Ios Xe.
How do I fix CVE-2015-0688?
No fix has been published for CVE-2015-0688 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-0688 being exploited?
There is no known exploitation of CVE-2015-0688 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
- CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation
- CVE-2018-0151 Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution
- CVE-2023-20273 Cisco IOS XE Web UI Command Injection
- CVE-2025-20188 Hardcoded credentials in Cisco IOS XE Software
- CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability
Sources
Also known as GHSA-c7mc-88hw-5x8r.