CVE-2012-0785
Hash collision attack vulnerability in Jenkins
CVE-2012-0785 is a high vulnerability (CVSS 7.5) in Cloudbees Jenkins, published February 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.35%, the 88th percentile. Fixed in org.jenkins-ci.main:jenkins-core 1.447.
Hash collision attack vulnerability in Jenkins before 1.447, Jenkins LTS before 1.424.2, and Jenkins Enterprise by CloudBees 1.424.x before 1.424.2.1 and 1.400.x before 1.400.0.11 could allow remote attackers to cause a considerable CPU load, aka "the Hash DoS attack."
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
Hash collision attack vulnerability in Jenkins before 1.447, Jenkins LTS before 1.424.2, and Jenkins Enterprise by CloudBees 1.424.x before 1.424.2.1 and 1.400.x before 1.400.0.11 could allow remote attackers to cause a considerable CPU load, aka "the Hash DoS attack."
- Record
CVE-2012-0785- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
Hash collision attack vulnerability in Jenkins before 1.447, Jenkins LTS before 1.424.2, and Jenkins Enterprise by CloudBees 1.424.x before 1.424.2.1 and 1.400.x before 1.400.0.11 could allow remote attackers to cause a considerable CPU load, aka "the Hash DoS attack."
- Record
CVE-2012-0785- Updated
- 2026-11-02
EUVDEUVD-2022-1797 No score
Hash collision attack vulnerability in Jenkins before 1.447, Jenkins LTS before 1.424.2, and Jenkins Enterprise by CloudBees 1.424.x before 1.424.2.1 and 1.400.x before 1.400.0.11 could allow remote attackers to cause a considerable CPU load, aka "the Hash DoS attack."
- Record
EUVD-2022-1797- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pchp-c5w8-47gc
7.5
Hash collision attack vulnerability in Jenkins
Hash collision attack vulnerability in Jenkins before 1.447, Jenkins LTS before 1.424.2, and Jenkins Enterprise by CloudBees 1.424.x before 1.424.2.1 and 1.400.x before 1.400.0.11 could allow remote attackers to cause a considerable CPU load, aka "the Hash DoS attack."
- Record
GHSA-pchp-c5w8-47gc- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-pchp-c5w8-47gc
7.5
Hash collision attack vulnerability in Jenkins
Hash collision attack vulnerability in Jenkins before 1.447, Jenkins LTS before 1.424.2, and Jenkins Enterprise by CloudBees 1.424.x before 1.424.2.1 and 1.400.x before 1.400.0.11 could allow remote attackers to cause a considerable CPU load, aka "the Hash DoS attack."
- Record
GHSA-pchp-c5w8-47gc- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.main:jenkins-coreMaven |
1.425 up to 1.447 | 1.447 |
org.jenkins-ci.main:jenkins-coreMaven |
before 1.424.2 | 1.424.2 |
org.jenkins-ci.main:jenkins-coreMaven |
1.425 up to 1.447, plus listed versions 1.4261.4271.4281.4291.430 Show 16 moreShow less1.4311.4321.4331.4341.4351.4361.4371.4381.4391.4401.4411.4421.4431.4441.4451.446 |
1.447 |
org.jenkins-ci.main:jenkins-coreMaven |
before 1.424.2, plus listed versions 1.3961.3971.3981.3991.400 Show 27 moreShow less1.4011.4031.4041.4051.4061.4071.4081.4091.409.11.409.21.409.31.4101.4111.4121.4131.4141.4151.4161.4171.4181.4191.4201.4211.4221.4231.4241.424.1 |
1.424.2 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, products | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
openwall.com/lists/oss-security/2012/01/20/8
security-tracker.debian.org/tracker/CVE-2012-0785
access.redhat.com/security/cve/cve-2012-0785
jenkins.io/security/advisory/2012-01-12
cloudbees.com/jenkins-security-advisory-2012-01-12
nvd.nist.gov/vuln/detail/CVE-2012-0785
github.com/advisories/GHSA-pchp-c5w8-47gc