Security readout for executives and security teams
Plain-English summary
Spring Cloud Config Server could expose configuration files outside the intended location when vulnerable versions receive a malformed URL. That matters because configuration files often contain secrets, service endpoints, and environment details. CISA lists this CVE in KEV, so treat affected internet-reachable deployments as urgent.
Executive priority
Prioritize remediation for reachable Config Server deployments because known exploitation and potential secret exposure create direct business risk. Patch vulnerable versions promptly and review whether exposed configuration data could require credential rotation.
Technical view
CVE-2020-5410 is a CWE-23 directory traversal issue in spring-cloud-config-server. Spring Cloud Config 2.2.x before 2.2.3, 2.1.x before 2.1.9, and older unsupported versions may serve arbitrary configuration files. CVSS 3.1 is 7.5, network exploitable, unauthenticated, and confidentiality-only impact.
Likely exposure
Organizations running Spring Cloud Config Server, especially internet-facing or broadly reachable instances, are the likely exposure. Confirm use of Spring Cloud Config 2.1.x, 2.2.x, or older unsupported releases in application dependency manifests and deployed services.
Exploitation context
Active exploitation is supported by CISA KEV listing CVE-2020-5410. The provided sources do not describe exploitation volume, attacker groups, public exploit maturity, or observed targets, so those details should not be assumed.
Researcher notes
Evidence supports affected version ranges, unauthenticated network attack surface, confidentiality impact, and KEV status. The bundle does not provide exploit telemetry, affected downstream products, or detailed mitigations beyond fixed versions and vendor guidance.
Mitigation direction
- Upgrade Spring Cloud Config 2.2.x to 2.2.3 or later.
- Upgrade Spring Cloud Config 2.1.x to 2.1.9 or later.
- Move older unsupported Spring Cloud Config versions to a supported fixed release.
- Check VMware Tanzu advisory for any environment-specific guidance.
- Limit untrusted access to Config Server while upgrades are completed.
Validation and detection
- Inventory deployed Spring Cloud Config Server versions and dependency manifests.
- Identify Config Server instances exposed to the internet or untrusted networks.
- Confirm patched versions are running after deployment.
- Review access logs for suspicious traversal-style URL patterns.
- Assess whether configuration files contained secrets requiring rotation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-23: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-5410 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://tanzu.vmware.com/security/cve-2020-5410CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5410CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Relative Path Traversal
Relative Path Traversal represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.