Directory Traversal in Eclipse Jetty Affects Multiple Versions
CVE-2021-34429

5.3MEDIUM

Key Information:

Vendor

The Eclipse Foundation

Status
Eclipse Jetty
Vendor
CVE Published:
15 July 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 93%

What is CVE-2021-34429?

Eclipse Jetty is susceptible to a directory traversal vulnerability that may allow an attacker to craft specific URIs using encoded characters. This can lead to unauthorized access to protected resources within the WEB-INF directory. Variants of this vulnerability can bypass security constraints, exposing sensitive information. Affected versions include 9.4.37 through 9.4.42, 10.0.1 through 10.0.5, and 11.0.1 through 11.0.5. Users should promptly update to patched versions to mitigate potential risks.

Affected Version(s)

Eclipse Jetty 9.4.37

Eclipse Jetty <= 9.4.42

Eclipse Jetty 10.0.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-34429
Created by ColdFusionX

References

https://github.com/eclipse/jetty.project/security/advisor...
x_refsource_CONFIRM
https://lists.apache.org/thread.html/r7dd079fa0ac6f47ba1a...
mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r90e7b4c42a96d74c219...
mailing-listx_refsource_MLIST

EPSS Score

93% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.