CVE-2020-5410

VMware Tanzu Spring Cloud Configuration (Config) Server: Spring Cloud Config Directory Traversal

As of , CVE-2020-5410 in VMware Tanzu Spring Cloud Configuration (Config) Server is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 25 March 2022
US federal deadline
15 April 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.96Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.91 on 25 March 2022EPSS on the day CISA listed it.
Public exploit
1 Metasploit module
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Spring, by VMware Tanzu, Cloud Config contains a path traversal vulnerability that allows applications to serve arbitrary configuration files.

CISA's description

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.

The CVE record's description, from pivotal

CVE published
2 June 2020
Assigned by
pivotal
CVSS
7.5 High (CVSS 3.1, from CISA-ADP)
CWE-23
Relative Path Traversal
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

  • Metasploit: Directory Traversal in Spring Cloud Config Serverauxiliary module, rank normal

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