CVE-2022-47986

IBM Aspera Faspex: Code Execution

As of , CVE-2022-47986 in IBM Aspera Faspex 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 21 February 2023
US federal deadline
14 March 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Known
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
0.38 on 21 February 2023EPSS on the day CISA listed it.
Public exploit
1 Exploit-DB entry
Fix
Vendor advice: exchange.xforce.ibmcloud.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

IBM Aspera Faspex could allow a remote attacker to execute code on the system, caused by a YAML deserialization flaw.

CISA's description

IBM Aspera Faspex 4.4.2 Patch Level 1 and earlier could allow a remote attacker to execute arbitrary code on the system, caused by a YAML deserialization flaw. By sending a specially crafted obsolete API call, an attacker could exploit this vulnerability to execute arbitrary code on the system. The obsolete API call was removed in Faspex 4.4.2 PL2. IBM X-Force ID: 243512.

The CVE record's description, from ibm

CVE published
17 February 2023
Assigned by
ibm
CVSS
9.8 Critical (CVSS 3.1, from the CNA)
CWE-502
Deserialization of Untrusted Data
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 51316).

Public exploits

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

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