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CVE-2021-21701

22
FAUCET Score

CVE-2021-21701 describes an XML External Entity (XXE) vulnerability in Jenkins Performance Plugin versions 3.20 and earlier, stemming from an improperly configured XML parser. With a CVSS score of 6.5 (Medium), this vulnerability allows an authenticated attacker to remotely access sensitive information without user interaction. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.20CPE matchmatch criteria
cpe:2.3:a:jenkins:performance:*:*:*:*:*:jenkins:*:*

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
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 88th percentile among its peer group of 21,958 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

Vendor Patches (1)

jenkinsvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

mavenGHSA-hr8p-76q8-fxwqmedium

XXE vulnerability in Jenkins Performance Plugin

May 24, 2022

References

jenkins.io / security/advisory/2021-11-12
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-1313
Third Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2021/11/12/1
Mailing ListThird Party Advisory