Resource exhaustion in Jenkins
CVE-2021-43859
XStream is an open source java library to serialize objects to XML and back again. Versions prior to 1.4.19 may allow a remote attacker to allocate 100% CPU time on the target system depending on CPU type or parallel execution of such a pa…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.077 (93.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Jenkins
- Oracle Commerce_guided_search — versions 11.3.2
- Oracle Communications_brm_-_elastic_charging_engine — versions 12.0.0.5.0
- Oracle Communications_cloud_native_core_automated_test_suite — versions 1.9.0
- Oracle Communications_diameter_intelligence_hub
- Oracle Communications_policy_management — versions 12.6.0.0.0
- Oracle Flexcube_private_banking — versions 12.1.0
- Oracle Retail_xstore_point_of_service — versions 16.0.6, 17.0.4, 18.0.3
- X-stream Xstream — versions < 1.4.19
- Xstream
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Exploit, x_refsource_MISC, Vendor Advisory)
- security-advisories@github.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory, Mailing List)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory, Mailing List)
- security-advisories@github.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-43859?
- CVE-2021-43859 is a high-severity vulnerability in Jenkins, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-02-01.
- How severe is CVE-2021-43859?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-43859 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.