CVE-2021-20502
IBM Jazz Foundation Products are vulnerable to an XML External Entity Injection (XXE) attack when...
IBM Jazz Foundation Products are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 198059.
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
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
7.1
IBM Jazz Foundation Products are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 198059.
- Record
CVE-2021-20502- CVSS 3.0
- 7.1 High
CVSS:3.0/I:N/C:H/UI:N/AV:N/AC:L/A:L/S:U/PR:L/RC:C/RL:O/E:U - Updated
- 2026-11-02
EUVDEUVD-2021-7920
7.1
IBM Jazz Foundation Products are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 198059.
- Record
EUVD-2021-7920- CVSS 3.0
- 7.1 High
CVSS:3.0/I:N/C:H/UI:N/AV:N/AC:L/A:L/S:U/PR:L/RC:C/RL:O/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hpgx-pfp3-82qv No score
IBM Jazz Foundation Products are vulnerable to an XML External Entity Injection (XXE) attack when...
IBM Jazz Foundation Products are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 198059.
- Record
GHSA-hpgx-pfp3-82qv- Weakness
- CWE-611
- Updated
- 2026-11-02
NVD
7.1
IBM Jazz Foundation Products are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 198059.
- Record
CVE-2021-20502- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:P - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20502 is a high vulnerability (CVSS 7.1) in Ibm Engineering Lifecycle Optimization, published March 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.55%, the 75th percentile. No source names a fixed version.