CVE-2020-10591
Exposure of Sensitive Information to an Unauthorized Actor in Concord
An issue was discovered in Walmart Labs Concord before 1.44.0. CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.
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
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Walmart Labs Concord before 1.44.0. CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.
- Record
CVE-2020-10591- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
An issue was discovered in Walmart Labs Concord before 1.44.0. CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.
- Record
CVE-2020-10591- Updated
- 2026-11-02
EUVDEUVD-2022-0854 No score
An issue was discovered in Walmart Labs Concord before 1.44.0. CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.
- Record
EUVD-2022-0854- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6566-9526-52v6
Exposure of Sensitive Information to an Unauthorized Actor in Concord
An issue was discovered in Walmart Labs Concord before 1.44.0. CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.
- Record
GHSA-6566-9526-52v6- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
An issue was discovered in Walmart Labs Concord before 1.44.0. CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.
- Record
CVE-2020-10591- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-6566-9526-52v6
Exposure of Sensitive Information to an Unauthorized Actor in Concord
An issue was discovered in Walmart Labs Concord before 1.44.0. CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.
- Record
GHSA-6566-9526-52v6- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.walmartlabs.concord:concord-commonMaven |
before 1.44.0 | 1.44.0 |
com.walmartlabs.concord:concord-commonMaven |
before 1.44.0, plus listed versions 1.0.01.1.01.10.01.11.01.12.0 Show 45 moreShow less1.13.01.13.11.14.01.15.01.16.01.16.11.17.01.18.01.18.11.19.01.19.11.2.01.2.11.2.21.20.01.20.11.21.01.22.01.23.01.24.01.24.11.24.21.25.01.26.01.27.01.28.01.28.11.29.01.3.01.30.01.31.01.31.11.32.01.33.01.34.01.34.11.34.21.34.31.35.01.35.11.36.01.36.11.37.01.37.11.38.0 |
1.44.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-10591 is a high vulnerability (CVSS 7.5) in Walmart Concord, published March 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.49%, the 84th percentile. Fixed in com.walmartlabs.concord:concord-common 1.44.0.
References
Left out here: 17 versions. The JSON record has them.