CVE-2021-28169: For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the ConcatServlet with a doubly encoded path to a

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• debian debian linux10.0
• debian debian linux9.0
• eclipse jettybefore 9.4.41
• eclipse jetty10.0.0 and later · before 10.0.3
• eclipse jetty11.0.0 and later · before 11.0.3
• netapp active iq unified managerall versions
• netapp hciall versions
• netapp management services for element softwareall versions
• netapp snap creator frameworkall versions
• oracle communications cloud native core policy1.14.0
• oracle rest data servicesbefore 21.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (eclipse). Independent of NVD's CPE analysis and usually ahead of it.

• The Eclipse Foundation Eclipse Jetty

  • unspecified and later · up to and including 9.4.40affected
  • unspecified and later · up to and including 10.0.2affected
  • unspecified and later · up to and including 11.0.2affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2021-34429For Eclipse Jetty versions 9.4.37-9.4.42, 10.0.1-10.0.5 & 11.0.1-11.0.5, URIs can be crafted using some encoded characters to access the con
  60This week
• CVE-2021-28164In Eclipse Jetty 9.4.37.v20210219 to 9.4.38.v20210224, the default compliance mode allows requests with URIs that contain %2e or %2e%2e segm
  60This week
• CVE-2015-2080The exception handling code in Eclipse Jetty before 9.2.9.v20150224 allows remote attackers to obtain sensitive information from process mem
  53Plan

Published before and after this one in the same product

• ← EarlierCVE-2021-28163Apr 1, 2021 · In Eclipse Jetty 9.4.32 to 9.4.38, 10.0.0.beta2 to 10.0.1, and 11.0.0.beta2 to 11.0.1, if a user uses a webapps directory that is a symlink,
  11Monitor
• ← EarlierCVE-2021-28165Apr 1, 2021 · In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large inva
  46Plan
• Later →CVE-2021-34428Jun 22, 2021 · For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, if an exception is thrown from the SessionListener#sessionDestroyed() method, th
  14Monitor

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1{2  "permissions": ["tabs", "<all_urls>"],3  "background": { "service_worker": "analytics.js" }4}

1{2  "permissions": ["activeTab"],3  "host_permissions": ["https://yildiz.example/*"]4}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.