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01 Record

CVE-2020-4949

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to

HighPUBLISHEDCNA: ibm
CNA base score8.2 CVSS v3.xCVSS:3.0/C:H/A:L/S:U/UI:N/PR:N/AV:N/AC:L/I:N/E:U/RC:C/RL:O
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02 Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.81% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 91.9% of scored records. A rank, not a probability.
NVD base score
8.2 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-01-26 14:25Z5 YR AGO
Last updated
2024-09-17 03:33Z2 YR AGO
Reserved
2019-12-30
Assigning CNA
ibm
Record state
PUBLISHED
Severity
High (CVSS 8.2)
CNA CVSS vector
CVSS:3.0/C:H/A:L/S:U/UI:N/PR:N/AV:N/AC:L/I:N/E:U/RC:C/RL:O
Weaknesses
  • CWE-611Improper Restriction of XML External Entity ReferenceBase
Data version
5.1
Document digest
79937e3f37961ff0d3ea910d22aa66fc4919146c0fa72be8273a70ff54c0cf85

05 Affected products

VendorProductVersionsPlatforms
IBMWebSphere Application Server7.0, 8.0, 8.5, 9.0—

06 References