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CVE-2020-9479

20
FAUCET Score

CVE-2020-9479 describes a path traversal vulnerability in unreleased builds of Apache AsterixDB, specifically between commits 580b81aa5e8888b8e1b0620521a1c9680e54df73 and 28c0ee84f1387ab5d0659e9e822f4e3923ddc22d. A specially crafted zip file, when loaded as a User Defined Function (UDF), could allow files to be placed outside the intended deployment directory. This vulnerability has a CVSS score of 5.5 (Medium), indicating a low attack complexity and requiring user interaction, with a potential impact of high integrity loss but no confidentiality or availability impact. The CVE is noted as potentially being rejected as it did not affect any released versions of Apache AsterixDB, and there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.5CPE matchmatch criteria
cpe:2.3:a:apache:asterixdb:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 89th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Remediation records are not available for this CVE.

References

lists.apache.org / thread.html/r4cc9cc9c54573babf821c31d5d410fb260d1cd416dc1b225d587be9b%40%3Cdev.asterixdb.apache.org%3E
openwall.com / lists/oss-security/2020/08/08/2
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