CVE-2015-0640 Denial of service in n/a
Remote attackers can cause a device reload via large fragmented IP packets requiring NAT and HSL processing in Cisco IOS XE.
- 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-2015-0640?
CVE-2015-0640 is a high-severity denial of service vulnerability in Cisco Ios Xe, published on 26 Mar 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The high-speed logging (HSL) feature in Cisco IOS XE 2.x and 3.x before 3.10.4S, 3.11 before 3.11.3S, 3.12 before 3.12.1S, 3.13 before 3.13.0S, 3.14 before 3.14.0S, and 3.15 before 3.15.0S allows remote attackers to cause a denial of service (device reload) via large IP packets that require NAT and HSL processing after fragmentation, aka Bug ID CSCuo25741.
Weakness: CWE-20
Which versions are affected by CVE-2015-0640?
It affects 1 product.
Products include Cisco Ios Xe.
How do I fix CVE-2015-0640?
No fix has been published for CVE-2015-0640 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-2015-0640 being exploited?
There is no known exploitation of CVE-2015-0640 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-ghv2-r6gc-95rm.