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CVE-2020-4949

22
FAUCET Score

CVE-2020-4949 describes an XML External Entity (XXE) injection vulnerability in IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0, impacting various operating systems including Linux and Windows. This high-severity vulnerability, rated 8.2 CVSS, allows an unauthenticated remote attacker to exploit the server without user interaction, potentially leading to sensitive information disclosure or denial of service through memory exhaustion. While the FAUCET Risk Score is 63/100, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.0.0.0, <= 7.0.0.45CPE matchmatch criteria
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
>= 8.0.0.0, <= 8.0.0.15CPE matchmatch criteria
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
>= 8.5.0.0, <= 8.5.5.18CPE matchmatch criteria
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
>= 9.0.0.0, <= 9.0.5.6CPE matchmatch criteria
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.2HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.75%
Probability of exploitation in next 30 days
EPSS Percentile
91.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0475 is in the 84th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/192025
VDB EntryVendor Advisory
ibm.com / support/pages/node/6408244
PatchVendor Advisory