CVE-2021-29997
XML External Entity Resolution (XXE) in Helix ALM. The XML Import functionality of the...
An issue was discovered in Wind River VxWorks 7 before 21.03. A specially crafted packet may lead to buffer over-read on IKE.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Wind River VxWorks 7 before 21.03. A specially crafted packet may lead to buffer over-read on IKE.
- Record
CVE-2021-29997- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Wind River VxWorks 7 before 21.03. A specially crafted packet may lead to buffer over-read on IKE.
- Record
CVE-2021-29997- Updated
- 2026-11-02
EUVDEUVD-2021-16456 No score
An issue was discovered in Wind River VxWorks 7 before 21.03. A specially crafted packet may lead to buffer over-read on IKE.
- Record
EUVD-2021-16456- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6xmx-h98x-6vxg No score
XML External Entity Resolution (XXE) in Helix ALM. The XML Import functionality of the...
XML External Entity Resolution (XXE) in Helix ALM. The XML Import functionality of the Administration console in Perforce Helix ALM 2020.3.1 Build 22 accepts XML input data that is parsed by insecurely configured software components, leading to XXE attacks.
- Record
GHSA-6xmx-h98x-6vxg- Weakness
- CWE-125, CWE-611
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29997 is a medium vulnerability (CVSS 5.3) in Windriver Vxworks, published April 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.07%, the 64th percentile. No source names a fixed version.