Deserialization in Fortra Goanywhere Managed File Transfer

CVE-2023-0669

Fortra (formerly, HelpSystems) GoAnywhere MFT suffers from a pre-authentication command injection vulnerability in the License Response Servlet due to deserializing an arbitrary attacker-controlled object. This issue was patched in version 7.1.2.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 1.000 (100.0th percentile), scored .

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 100.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-0669?
CVE-2023-0669 is a high-severity vulnerability in Fortra Goanywhere Managed File Transfer, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2023-02-06.
How severe is CVE-2023-0669?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-0669 known to be exploited?
Yes. CVE-2023-0669 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-02-10), indicating it is being actively exploited. 29 public proof-of-concept repositories are indexed.