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Vulnerability record · CVE-2012-3137 · published 21 September 2012

CVE-2012-3137: Oracle database server improper authentication vulnerability

Oracle · Database Server

The authentication protocol in Oracle Database Server 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11.2.0.2, and 11.2.0.3 allows remote attackers to obtain the session key and salt for arbitrary users, which leaks information about the cryptographic hash and makes it easier to conduct brute force password guessing attacks, aka "stealth password cracking vulnerability."

6.4 CVSS 2.0 Medium EPSS 31% · top 1.8% CWE-287 · Improper authentication
6.4CVSS 2.0 base score
31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
16References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

The authentication protocol in Oracle Database Server 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11.2.0.2, and 11.2.0.3 allows remote attackers to obtain the session key and salt for arbitrary users, which leaks information about the cryptographic hash and makes it easier to conduct brute force password guessing attacks, aka "stealth password cracking vulnerability."

AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://arstechnica.com/security/2012/09/oracle-database-stealth-password-cracking-vulnerability/ Press/Media Coverage
http://threatpost.com/en_us/blogs/flaw-oracle-logon-protocol-leads-easy-password-cracking-092012?utm_source=Threatpost&u Press/Media Coverage
http://www.darkreading.com/authentication/167901072/security/application-security/240007643/attack-easily-cracks-oracle- Press/Media Coverage
http://www.exploit-db.com/exploits/22069 ExploitThird Party AdvisoryVDB Entry
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 Broken Link
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html PatchVendor Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html PatchVendor Advisory
http://www.securityfocus.com/bid/55651
http://arstechnica.com/security/2012/09/oracle-database-stealth-password-cracking-vulnerability/ Press/Media Coverage
http://threatpost.com/en_us/blogs/flaw-oracle-logon-protocol-leads-easy-password-cracking-092012?utm_source=Threatpost&u Press/Media Coverage
http://www.darkreading.com/authentication/167901072/security/application-security/240007643/attack-easily-cracks-oracle- Press/Media Coverage
http://www.exploit-db.com/exploits/22069 ExploitThird Party AdvisoryVDB Entry
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 Broken Link
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html PatchVendor Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html PatchVendor Advisory
http://www.securityfocus.com/bid/55651

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Source: NIST National Vulnerability Database (record CVE-2012-3137), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.