CVE-2015-4259 Weak cryptography in n/a
Man-in-the-middle attackers can bypass cryptographic protections on Cisco UCS C servers due to a default SSL certificate with a known private key.
- 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-2015-4259?
CVE-2015-4259 is a medium-severity vulnerability in Cisco Unified Computing System, published on 10 Jul 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Integrated Management Controller on Cisco Unified Computing System (UCS) C servers with software 1.5(3) and 1.6(0.16) has a default SSL certificate, which makes it easier for man-in-the-middle attackers to bypass cryptographic protection mechanisms by leveraging knowledge of a private key, aka Bug IDs CSCum56133 and CSCum56177.
Weakness: CWE-310
Which versions are affected by CVE-2015-4259?
It affects 1 product.
Products include Cisco Unified Computing System.
How do I fix CVE-2015-4259?
No fix has been published for CVE-2015-4259 yet. Limit exposure of the affected software until one is available.
Is CVE-2015-4259 being exploited?
There is no known exploitation of CVE-2015-4259 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Computing System
- CVE-2026-20200 Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulnerability
- CVE-2026-20094 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2018-0430 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2018-0431 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2012-4078 Auth bypass in n/a
Sources
Also known as GHSA-cq2w-9r84-5hfm.