CVE-2021-28656

FAUCET Score

CVE-2021-28656 is a Cross-Site Request Forgery (CSRF) vulnerability in the Credential page of Apache Zeppelin, affecting version 0.9.0 and earlier. This medium-severity vulnerability (CVSS 5.4) allows an unauthenticated attacker to trick a user into submitting malicious requests, potentially leading to low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 0.9.0CPE matchmatch criteria	cpe:2.3:a:apache:zeppelin::::::::

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

2.5

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.48%

Probability of exploitation in next 30 days

EPSS Percentile

38.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0048 is in the 41st percentile among its peer group of 26,234 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

Vendor Advisories (1)

mavenGHSA-prvg-rh5h-74jrmedium

Apache Zeppelin CSRF vulnerability in the Credentials page

Apr 9, 2024

References

lists.apache.org / thread/dttzkkv4qyn1rq2fdv1r94otb1osxztc

Mailing ListVendor Advisory

openwall.com / lists/oss-security/2024/04/09/3

Mailing List