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CVE-2020-4949IBM 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…
- 8.2HighCVSS base score
- 4.8%Exploitation in 30 daysEPSS · top 7.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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 expose sensitive information or consume memory resources. IBM X-Force ID: 192025.
Timeline
ID reserved
By ibm
- 13 months later
· 13 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | High8.2 | 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 |
| NVDNVD · Modified | 3.1 | High8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L |
- EPSS (exploitation in 30 days)
- 4.8% · top 7.9% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.2.
Affected products
IBM · WebSphere Application Server
- affected 7.0
- affected 8.0
- affected 8.5
- affected 9.0
References
References2
- https://www.ibm.com/support/pages/node/6408244 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-websphere-cve20204949-xxe (192025) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-26196 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-4949)Record last updated .