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CVE-2017-5646

23
FAUCET Score

CVE-2017-5646 is a medium-severity vulnerability affecting Apache Knox versions 0.2.0 through 0.11.0. An authenticated user can craft a malicious URL to impersonate another user when accessing WebHDFS, potentially leading to escalated privileges and unauthorized data access. The attack requires low privileges and high attack complexity, with a CVSS score of 6.8. While this activity is audit logged, there is no known public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.2.0CPE matchmatch criteria
cpe:2.3:a:apache:knox:0.2.0:*:*:*:*:*:*:*
0.3.0CPE matchmatch criteria
cpe:2.3:a:apache:knox:0.3.0:*:*:*:*:*:*:*
0.4.0CPE matchmatch criteria
cpe:2.3:a:apache:knox:0.4.0:*:*:*:*:*:*:*
0.5.0CPE matchmatch criteria
cpe:2.3:a:apache:knox:0.5.0:*:*:*:*:*:*:*
0.6.0CPE matchmatch criteria
cpe:2.3:a:apache:knox:0.6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 39th percentile among its peer group of 1,424 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.knox:gateway-provider-identity-assertion-commonFixed in: 0.12.0

Vendor Advisories (1)

mavenGHSA-g3fc-8jv4-qmmvmedium

Apache Knox allows impersonation of users

May 13, 2022

References

mail-archives.apache.org / mod_mbox/knox-user/201705.mbox/%3CCACRbFyjtT7QQGHUzTRdbJoySbJb7tt4BDk5-r-VRn0GB0Kgvag%40mail.gmail.com%3E
Mailing ListVendor Advisory
lists.apache.org / thread.html/rcd6bcbcc08840d4e4bea661efe9a5ef8f6126ebbbc5bc266701d8f48%40%3Cdev.logging.apache.org%3E
securityfocus.com / bid/98739
Third Party AdvisoryVDB Entry