CVE-2020-10199

Sonatype Nexus Repository: Remote Code Execution

As of , CVE-2020-10199 in Sonatype Nexus Repository 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 3 November 2021
US federal deadline
3 May 2022181 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
Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
Public exploit
1 Metasploit module and 2 Exploit-DB entries (2 verified)
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

Sonatype Nexus Repository contains an unspecified vulnerability that allows for remote code execution.

CISA's description

Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).

The CVE record's description, from mitre

CVE published
1 April 2020
Assigned by
mitre
CVSS
8.8 High (CVSS 3.1, from CISA-ADP)
CWE-917
Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. Exploit-DB published an exploit (EDB-ID 48343).
  3. Exploit-DB published an exploit (EDB-ID 49385).
  4. CISA added it to its list of exploited vulnerabilities.
  5. 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.

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