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CVE-2020-10591

20
FAUCET Score

CVE-2020-10591 is a high-severity vulnerability affecting Walmart Labs Concord versions prior to 1.44.0. The flaw stems from an unsafe dependency of CORS Access-Control-Allow-Origin headers on Origin headers, which are not configurable. This allows unauthenticated remote attackers to discover sensitive information such as host details, nodes, API metadata, and usernames by accessing the /api/v1/apikey endpoint. While the CVSS score is 7.5 (High), indicating a significant potential for information disclosure, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.44.0CPE matchmatch criteria
cpe:2.3:a:walmart:concord:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.00%
Probability of exploitation in next 30 days
EPSS Percentile
78.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0200 is in the 62nd percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: com.walmartlabs.concord:concord-commonFixed in: 1.44.0

Vendor Advisories (1)

mavenGHSA-6566-9526-52v6high

Exposure of Sensitive Information to an Unauthorized Actor in Concord

Feb 10, 2022

References

github.com / walmartlabs/concord/compare/1.43.0...1.44.0
Third Party Advisory
github.com / walmartlabs/concord/issues/22
Third Party Advisory