CVE-2022-22963

VMware Tanzu Spring Cloud: Function Remote Code Execution

As of , CVE-2022-22963 in VMware Tanzu Spring Cloud 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 August 2022
US federal deadline
15 September 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
0.99Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.95 on 25 August 2022EPSS on the day CISA listed it.
Public exploit
1 Metasploit module and 1 Exploit-DB entry
Fix
Vendor advice: tanzu.vmware.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

When using routing functionality in VMware Tanzu's Spring Cloud Function, it is possible for a user to provide a specially crafted SpEL as a routing-expression that may result in remote code execution and access to local resources.

CISA's description

In Spring Cloud Function versions 3.1.6, 3.2.2 and older unsupported versions, when using routing functionality it is possible for a user to provide a specially crafted SpEL as a routing-expression that may result in remote code execution and access to local resources.

The CVE record's description, from vmware

CVE published
1 April 2022
Assigned by
vmware
CVSS
9.8 Critical (CVSS 3.1, from CISA-ADP)
CWE-94
Improper Control of Generation of Code ('Code Injection')
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

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.
  4. Exploit-DB published an exploit (EDB-ID 51577).

Public exploits

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

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