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CVE-2020-9479

unzip directory traversal

MEDIUM
5.5
CVSS Score
Published: March 1, 2021 at 03:55 PM UTC
Updated: June 17, 2026 at 03:28 AM UTC
1 product affected across 1 vendorAsterixdb

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Severity
MEDIUM5.5
Exploit prediction
EPSS 2%

Description

When loading a UDF, a specially crafted zip file could allow files to be placed outside of the UDF deployment directory. This issue affected Apache AsterixDB unreleased builds between commits 580b81aa5e8888b8e1b0620521a1c9680e54df73 and 28c0ee84f1387ab5d0659e9e822f4e3923ddc22d. Note: this CVE may be REJECTed as the issue did not affect any released versions of Apache AsterixDB

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Asterixdb· Apache
95%
v < 0.9.5Apache AsterixDB git
Affected range stops below 0.9.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r4cc9cc9c54573babf821c31d5d410fb260d1cd416dc1b225d587be9b%40%3Cdev.asterixdb.apache.org%3E
x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
https://www.openwall.com/lists/oss-security/2020/08/08/2

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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