IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty 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. IBM X-Force ID: 197793.
Published 2021-05-26 17:15:14
Updated 2021-06-04 17:10:29
View at NVD,   CVE.org
Vulnerability category: XML external entity (XXE) injection

Threat overview for CVE-2021-20492

Top countries where our scanners detected CVE-2021-20492
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-20492 230
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-20492!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-20492

0.16%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20492

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
NIST
6.5
MEDIUM CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
2.2
4.2
IBM Corporation
8.2
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
3.9
4.2
NIST

CWE ids for CVE-2021-20492

  • The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-20492

Products affected by CVE-2021-20492

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