Known exploited vulnerability
CVE-2020-5410
The short answer
CVE-2020-5410 affects Spring by VMware Spring Cloud Config and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-25: attackers are using it, so patch it first. Fixed versions are published for spring-cloud-config-server (2.1.9, 2.2.3).
What it is
Spring Cloud Config, versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since Mar 25, 2022
Federal due date Apr 15, 2022
EPSS, next 30 days
96%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected packages and fixed versions
| Package | Ecosystem | Fixed in | Advisory |
|---|---|---|---|
| org.springframework.cloud:spring-cloud-config-server | Maven | 2.1.9, 2.2.3 | GHSA-32xf-jwmv-9hf3 |
Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.
Affected products
Spring Cloud Config. NVD's record lists the exact affected versions.
References
- tanzu.vmware.com/security/cve-2020-5410 Vendor Advisory
- tanzu.vmware.com/security/cve-2020-5410 Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5410 US Government Resource
Questions
Is CVE-2020-5410 being exploited?
Yes. CISA added CVE-2020-5410 to its Known Exploited Vulnerabilities catalog on 2022-03-25, with a federal remediation due date of 2022-04-15.
How do I fix CVE-2020-5410?
Upgrade to a fixed version: org.springframework.cloud:spring-cloud-config-server (Maven) 2.1.9 or 2.2.3. CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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