8.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
0.002 Low
EPSS
Percentile
50.1%
WebSphere Application Server Java Batch is vulnerable to an XML External Entity Injection (XXE) vulnerability. This has been addressed.
CVEID:CVE-2021-20492
**DESCRIPTION:**IBM WebSphere Application Server Java Batch is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197793 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L)
Affected Product(s) | Version(s) |
---|---|
WebSphere Application Server Liberty | 17.0.0.3 - 21.0.0.6 |
WebSphere Application Server| 9.0
WebSphere Application Server| 8.5
WebSphere Application Server| 8.0
The recommended solution is to apply the interim fix or Fix Pack containing APAR for each named product as soon as practical.
For WebSphere Application Server Liberty 17.0.0.3 - 21.0.0.6 using the batchManagement-1.0 feature:
ยท Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH34906
--ORโ
ยท Apply Liberty Fix Pack 21.0.0.7 or later (targeted availability 3Q2021).
For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:
For V9.0.0.0 through 9.0.5.7:
ยท Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH34906
--ORโ
ยท Apply Fix Pack 9.0.5.8 or later (targeted availability 2Q2021).
For V8.5.0.0 through 8.5.5.19:
ยท Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH34906
--ORโ
ยท Apply Fix Pack 8.5.5.20 or later (targeted availability 3Q2021).
For V8.0.0.0 through 8.0.0.15:
ยท Upgrade to 8.0.0.15 and then apply Interim Fix PH34906
Additional interim fixes may be available and linked off the interim fix download page.
_WebSphere Application Server V8.0 is no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. _
None
8.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
0.002 Low
EPSS
Percentile
50.1%