CVE-2020-4576
IBM WebSphere Application Server 7.5, 8.0, 8.5, and 9.0 traditional could allow a remote attacker...
IBM WebSphere Application Server 7.5, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to obtain sensitive information with a specially-crafted sequence of serialized objects. IBM X-Force ID: 184428.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM WebSphere Application Server 7.5, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to obtain sensitive information with a specially-crafted sequence of serialized objects. IBM X-Force ID: 184428.
- Record
CVE-2020-4576- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AC:L/A:N/C:L/UI:N/I:N/S:U/PR:N/AV:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-25823
IBM WebSphere Application Server 7.5, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to obtain sensitive information with a specially-crafted sequence of serialized objects. IBM X-Force ID: 184428.
- Record
EUVD-2020-25823- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AC:L/A:N/C:L/UI:N/I:N/S:U/PR:N/AV:N/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8ffm-fq6g-pfr8 No score
IBM WebSphere Application Server 7.5, 8.0, 8.5, and 9.0 traditional could allow a remote attacker...
IBM WebSphere Application Server 7.5, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to obtain sensitive information with a specially-crafted sequence of serialized objects. IBM X-Force ID: 184428.
- Record
GHSA-8ffm-fq6g-pfr8- Updated
- 2026-11-02
NVD
IBM WebSphere Application Server 7.5, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to obtain sensitive information with a specially-crafted sequence of serialized objects. IBM X-Force ID: 184428.
- Record
CVE-2020-4576- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4576 is a medium vulnerability (CVSS 5.3) in Ibm Websphere Application Server, published October 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.04%, the 81st percentile. No source names a fixed version.