CVE-2012-3137
The authentication protocol in Oracle Database Server 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11...
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."
Exploit likelihood
What each source reports
NVD Score used
6.4
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."
- Record
CVE-2012-3137- CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2012-3137- Updated
- 2026-11-02
EUVDEUVD-2012-3115 No score
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."
- Record
EUVD-2012-3115- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5gqh-48pf-m5xx No score
The authentication protocol in Oracle Database Server 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11...
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."
- Record
GHSA-5gqh-48pf-m5xx- Weakness
- CWE-287
- Updated
- 2026-11-02
OSVSUSE-SU-2015:0498-1 No score
Security update for oracle-update
This critical patch update contains 5 security fixes for the Oracle Database Server. One of the vulnerabilities could have been exploited over the network without a valid username and password.
Security Issues:
* CVE-2013-3751
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-3751>
* CVE-2013-3774
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-3774>
* CVE-2014-4236
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4236>
* CVE-2014-4237
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4237>
* CVE-2014-4245
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4245>
- Record
SUSE-SU-2015:0498-1- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Oracle Database - Protocol Authentication Bypass | 2012-10-18 |
| PoC in GitHub | hantwister/o5logon-fetch | 2014-03-29 |
| PoC in GitHub | r1-/cve-2012-3137 | 2014-06-18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-3137 is a medium vulnerability (CVSS 6.4) in Oracle Database Server, published September 21, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 31.4%, the 98th percentile. No source names a fixed version.
References
darkreading.com/authentication/167901072/security/application-security/240007643/attack-easily-cracks-oracle-database-passwords.html
oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
exploit-db.com/exploits/22069
threatpost.com/en_us/blogs/flaw-oracle-logon-protocol-leads-easy-password-cracking-092012?utm_source=Threatpost&utm_medium=Tabs&utm_campaign=Today%27s+Most+Popular
arstechnica.com/security/2012/09/oracle-database-stealth-password-cracking-vulnerability
oracle.com/technetwork/topics/security/cpuoct2012-1515893.html
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securityfocus.com/bid/55651
mandriva.com/security/advisories?name=MDVSA-2013:150
nvd.nist.gov/vuln/detail/CVE-2012-3137
github.com/advisories/GHSA-5gqh-48pf-m5xx
suse.com/support/update/announcement/2015/suse-su-20150498-1
bugzilla.suse.com/757762
bugzilla.suse.com/771994
bugzilla.suse.com/776005
bugzilla.suse.com/781730
bugzilla.suse.com/799056
bugzilla.suse.com/816221
bugzilla.suse.com/818773
bugzilla.suse.com/836732
bugzilla.suse.com/859033
bugzilla.suse.com/873982
bugzilla.suse.com/887569
bugzilla.suse.com/914702
bugzilla.suse.com/927281
suse.com/security/cve/CVE-2012-0525
suse.com/security/cve/CVE-2012-0526
suse.com/security/cve/CVE-2012-0527
suse.com/security/cve/CVE-2012-0534
suse.com/security/cve/CVE-2012-0552
suse.com/security/cve/CVE-2012-1737
suse.com/security/cve/CVE-2012-1745
suse.com/security/cve/CVE-2012-3134
suse.com/security/cve/CVE-2012-3137
suse.com/security/cve/CVE-2013-1519
suse.com/security/cve/CVE-2013-1534
suse.com/security/cve/CVE-2013-1538
suse.com/security/cve/CVE-2013-1554
suse.com/security/cve/CVE-2013-3751
suse.com/security/cve/CVE-2013-3760
suse.com/security/cve/CVE-2013-3771
suse.com/security/cve/CVE-2013-3774
suse.com/security/cve/CVE-2013-3789
suse.com/security/cve/CVE-2013-3790
suse.com/security/cve/CVE-2013-5764
suse.com/security/cve/CVE-2013-5853
suse.com/security/cve/CVE-2013-5858
suse.com/security/cve/CVE-2014-0377
suse.com/security/cve/CVE-2014-0378
suse.com/security/cve/CVE-2014-2406
suse.com/security/cve/CVE-2014-2408
suse.com/security/cve/CVE-2014-4236
suse.com/security/cve/CVE-2014-4237
suse.com/security/cve/CVE-2014-4245
suse.com/security/cve/CVE-2015-0370
suse.com/security/cve/CVE-2015-0455
suse.com/security/cve/CVE-2015-0457
suse.com/security/cve/CVE-2015-0479
suse.com/security/cve/CVE-2015-0483