Improper input validation in Apache Httpclient
CVE-2020-13956
Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.090 (95.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.090 · newest: 0.090 · change: 0.000
Affected products
- Apache Httpclient
- NetApp Active Iq Unified Manager
- NetApp Snapcenter
- Oracle Commerce Guided Search — versions 11.3.2
- Oracle Communications Cloud Native Core Service Communication Proxy — versions 1.14.0
- Oracle Data Integrator — versions 12.2.1.3.0, 12.2.1.4.0
- Oracle Jd Edwards Enterpriseone Orchestrator
- Oracle Jd Edwards Enterpriseone Tools
- Oracle Nosql Database
- Oracle Peoplesoft Enterprise Peopletools — versions 8.57, 8.58
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/r6dab7da30f8bf075f79ee189e33b45a197502e2676481bb87… (Mailing List, Vendor Advisory)
- lists.apache.org/thread.html/rf7ca60f78f05b772cc07d27e31bcd112f9910a05caf9095e3… (mailing-list)
- lists.apache.org/thread.html/rcced7ed3237c29cd19c1e9bf465d0038b8b2e967b99fc283d… (mailing-list)
- lists.apache.org/thread.html/r63296c45d5d84447babaf39bd1487329d8a80d8d563e67a4b… (mailing-list)
- lists.apache.org/thread.html/r12cb62751b35bdcda0ae2a08b67877d665a1f4d41eee0fa73… (mailing-list)
- lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce… (mailing-list)
- lists.apache.org/thread.html/r34178ab6ef106bc940665fd3f4ba5026fac3603b3fa2aefaf… (mailing-list)
- lists.apache.org/thread.html/rb725052404fabffbe093c83b2c46f3f87e12c3193a82379af… (mailing-list)
- lists.apache.org/thread.html/rb33212dab7beccaf1ffef9b88610047c644f644c7a0ebdc44… (mailing-list)
- lists.apache.org/thread.html/rfc00884c7b7ca878297bffe45fcb742c362b00b26ba370707… (mailing-list)
Frequently asked questions
- What is CVE-2020-13956?
- CVE-2020-13956 is a medium-severity vulnerability in Apache Httpclient, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2020-12-02.
- How severe is CVE-2020-13956?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-13956 known to be exploited?
- 24 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.