CVE-2006-5201

CVE-2006-5201 describes a cryptographic vulnerability affecting multiple Sun Solaris packages, including NSS, Java JDK/JRE, JSSE, IPSec/IKE, Secure Global Desktop, and StarOffice. When using an RSA key with exponent 3, these products incorrectly remove PKCS-1 padding before hashing, enabling remote attackers to forge PKCS #1 v1.5 signatures. This flaw prevents proper verification of X.509 and other certificates. The vulnerability has a CVSS score of 4.0, indicating a network-based attack with high complexity, potentially leading to partial integrity and availability impacts. Its EPSS score is very low, suggesting minimal exploitability in the wild. There is no evidence of active exploitation, and no public exploit code exists in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are virtually nonexistent, indicating a lack of widespread attention or exploitation.