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CVE-2020-1958

20
FAUCET Score

CVE-2020-1958 affects Apache Druid 0.17.0 when LDAP authentication is enabled, allowing authenticated users to bypass the userSearch filter and potentially authenticate with Druid, even if not authorized. This medium-severity vulnerability (CVSS 6.5) has a low attack complexity and can lead to high confidentiality impact through the disclosure of LDAP user attributes. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.17.0CPE matchmatch criteria
cpe:2.3:a:apache:druid:0.17.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.57%
Probability of exploitation in next 30 days
EPSS Percentile
90.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0457 is in the 97th percentile among its peer group of 21,951 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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.druid:druidFixed in: 0.17.1

Vendor Advisories (2)

mavenGHSA-qh2g-7h5p-mxf4medium

Credentials bypass in Apache Druid

Feb 9, 2022
redhatCVE-2020-1958Moderate

druid: Bypass of the credentialsValidator.userSearch filter in Druid API

Apr 1, 2020

References

lists.apache.org / thread.html/r026540c617d334007810cd8f0068f617b5c78444be00a31fc1b03390%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r1526dbce98a138629a41daa06c13393146ddcaf8f9d273cc49d57681%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r1c32c95543d44559b8d7fd89b0a85f728c80e8b715685bbf788a15a4%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r47c90a378efdb3fd07ff7f74095b8eb63b3ca93b8ada5c2661c5e371%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r75e74d39c41c1b95a658b6a9f75fc6fd02b1d1922566a0ee4ee2fdfc%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r9d437371793b410f8a8e18f556d52d4bb68e18c537962f6a97f4945e%40%3Cdev.druid.apache.org%3E
Mailing ListVendor Advisory
lists.apache.org / thread.html/rf70876ecafb45b314eff9d040c5281c4adb0cb7771eb029448cfb79b%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/rffabc9e83cc2831bbee5db32b3965b84b09346a26ebc1012db63d28c%40%3Ccommits.druid.apache.org%3E