CVE-2013-5559 Memory corruption in n/a

What is CVE-2013-5559?

CVE-2013-5559 is a medium-severity memory corruption vulnerability in Cisco Anyconnect Secure Mobility Client, published on 4 Nov 2013. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Buffer overflow in the Active Template Library (ATL) framework in the VPNAPI COM module in Cisco AnyConnect Secure Mobility Client 2.x allows user-assisted remote attackers to execute arbitrary code via a crafted HTML document, aka Bug ID CSCuj58139.

Weakness: CWE-119

Which versions are affected by CVE-2013-5559?

It affects 1 product.

Products include Cisco Anyconnect Secure Mobility Client.

How do I fix CVE-2013-5559?

No fix has been published for CVE-2013-5559 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2013-5559 being exploited?

There is no known exploitation of CVE-2013-5559 in the wild and no public exploit code.

Other vulnerabilities in Cisco Anyconnect Secure Mobility Client

• CVE-2020-3433 Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Exploited High 7.8
• CVE-2020-3153 Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Exploited Medium 6.5
• CVE-2012-3088 Security feature bypass in n/a Critical 9.3
• CVE-2012-2493 Code injection in n/a Critical 9.3
• CVE-2011-2040 Code injection in n/a Critical 9.3

All Cisco Anyconnect Secure Mobility Client vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-pqr5-xvxq-fp5h.