CVE-2013-1895

CVE-2013-1895 describes a vulnerability in the py-bcrypt module (versions before 0.3) for Python, affecting Fedora and Python py-bcrypt products. This flaw, categorized as CWE-307, allows attackers to bypass authentication by exploiting concurrent memory access issues that overwrite password hashes during multiple authentication requests. With a CVSS v3.1 score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, leading to high integrity impact (authentication bypass). There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.