Resource exhaustion in Apache Cxf
CVE-2021-30468
A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely. This issue affects Apache CXF versions prior to 3.4.4; Apache CXF versions prior to 3.3.11.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.070 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.070 · newest: 0.070 · change: 0.000
Affected products
- Apache Cxf
- Apache Tomee — versions 8.0.6
- Apache Software Foundation Cxf — versions Apache CXF
- Oracle Business Intelligence — versions 5.5.0.0.0, 5.9.0.0.0, 12.2.1.3.0
- Oracle Communications Element Manager — versions 8.2.2
- Oracle Communications Messaging Server — versions 8.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cxf.apache.org/security-advisories.data/CVE-2021-30468.txt.asc (Vendor Advisory)
- lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb853… (mailing-list)
- lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb853… (mailing-list)
- lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb853… (mailing-list)
- www.openwall.com/lists/oss-security/2021/06/16/2 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/r3f46ae38e4a6e80c069cdb320e0ce831b0a21a12ef0cc92c0… (mailing-list)
- lists.apache.org/thread.html/re5b2a2b77faa22684d47bd2ac6623135c615565328ff40a1e… (mailing-list)
- lists.apache.org/thread.html/rac07822057521dccf33ab5d136e0e8c599a6e2c8ac75e44ff… (mailing-list)
- lists.apache.org/thread.html/re9e05c6cab5f0dcc827eba4e6fcf26fa0b493e7ca84d62c86… (mailing-list)
- lists.apache.org/thread.html/ra833f78b3fa577cb43558cf343859a1bf70b1c5ce2353b387… (mailing-list)
Frequently asked questions
- What is CVE-2021-30468?
- CVE-2021-30468 is a high-severity vulnerability in Apache Cxf, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-06-16.
- How severe is CVE-2021-30468?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-30468 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.