unzip directory traversal

published 2021-03-01 5y ago modified 2026-06-17 4mo ago also EUVD-2020-30296

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

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

Patch / fix

fixed in 1

apache asterixdb 0.9.5

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Exploit prediction

1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Apache Software Foundation Apache AsterixDB

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

openwall.com /lists/oss-security/2020/08/08/2
mailing-list, third-party-advisory
lists.apache.org /thread.html/r4cc9cc9c54573babf821c31d5d410fb260d1cd416dc1b225d587be9b%40%3Cdev.asterixdb.apache.org%3E
mailing-list

Sources

CVE List CVE-2020-9479
NVD CVE-2020-9479

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