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Vulnerabilities

Threat intelligence · CVE-2020-4448

Two Critical Remote Code Execution flaws fixed in IBM WebSphere In April, a security researcher who goes online with the moniker ‘tint0’ discovered three serious deser…

Published Jun 25, 2020 · the affected product

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2020-4448 is not in CISA KEV. FIRST estimates a 12.52% chance of exploitation in the next 30 days. Check whether you run the affected product.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
12.52%
Remediation
Not established
Affected products
See sources for product scope

Two Critical Remote Code Execution flaws fixed in IBM WebSphere In April, a security researcher who goes online with the moniker ‘tint0’ discovered three serious deserialization issues affecting the IBM WebSphere Application Server. Two of the vulnerabilities (CVE-2020-4450 and CVE-2020-4448) are remote code execution issues that have been rated as critical, the third one is an information disclosure flaw rated as hi

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2020-4448

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2020-4448 is not in CISA KEV. FIRST estimates a 12.52% chance of exploitation in the next 30 days. Check whether you run the affected product.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 12.52%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 25, 2020 · AlienVault OTX

    Detected

    Two Critical Remote Code Execution flaws fixed in IBM WebSphere In April, a security researcher who goes online with the moniker ‘tint0’ discovered three serious deserialization issues affecting the IBM WebSphere Application Server. Two of the vulnerabilities (CVE-2020-4450 and CVE-2020-4448) are remote code execution issues that have been rated as critical, the third one is an information disclos

Sources

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • AlienVault OTXNov 1, 2026