CVE-2021-21656
XML external entity (XXE) attacks in Jenkins Xcode integration Plugin
Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
- Record
CVE-2021-21656- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:N - Updated
- 2026-11-02
CVE List No score
Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
- Record
CVE-2021-21656- Updated
- 2026-11-02
EUVDEUVD-2022-1566 No score
Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
- Record
EUVD-2022-1566- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wfxp-4qgw-qp3c
XML external entity (XXE) attacks in Jenkins Xcode integration Plugin
Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
- Record
GHSA-wfxp-4qgw-qp3c- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
OSV
Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
- Record
CVE-2021-21656- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-wfxp-4qgw-qp3c
XML external entity (XXE) attacks in Jenkins Xcode integration Plugin
Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
- Record
GHSA-wfxp-4qgw-qp3c- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:xcode-pluginMaven |
before 2.0.15 | 2.0.15 |
org.jenkins-ci.plugins:xcode-pluginMaven |
before 2.0.15, plus listed versions 1.01.0.11.11.21.2.1 Show 28 moreShow less1.2.21.31.3.11.3.31.41.4.11.4.101.4.111.4.21.4.51.4.61.4.71.4.81.4.92.0.02.0.12.0.102.0.112.0.122.0.132.0.142.0.22.0.32.0.42.0.52.0.62.0.82.0.9 |
2.0.15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21656 is a high vulnerability (CVSS 7.1) in Jenkins Xcode Integration, published May 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.51%, the 74th percentile. Fixed in org.jenkins-ci.plugins:xcode-plugin 2.0.15.