Vulnerability Details : CVE-2020-15839
Liferay Portal before 7.3.3, and Liferay DXP 7.1 before fix pack 18 and 7.2 before fix pack 6, does not restrict the size of a multipart/form-data POST action, which allows remote authenticated users to conduct denial-of-service attacks by uploading large files.
Vulnerability category: Denial of service
Threat overview for CVE-2020-15839
Top countries where our scanners detected CVE-2020-15839
Top open port discovered on systems with this issue
80
IPs affected by CVE-2020-15839 420
Threat actors abusing to this issue?
Yes
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affected by CVE-2020-15839!
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Exploit prediction scoring system (EPSS) score for CVE-2020-15839
Probability of exploitation activity in the next 30 days: 0.23%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 60 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-15839
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-15839
-
The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-15839
-
https://portal.liferay.dev/learn/security/known-vulnerabilities
Known VulnerabilitiesVendor Advisory
-
https://issues.liferay.com/browse/LPE-17055
[LPE-17055] LSV-697: Trying to upload very large files with a multipart/formdata request can leave server without memory space - Liferay IssuesVendor Advisory
-
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928
CST-7317 DoS vulnerability with multipart/form-data requests (CVE-2020-15839)Vendor Advisory
-
https://issues.liferay.com/browse/LPE-17029
[LPE-17029] LSV-697: DoS vulnerability with multipart/form-data requests - Liferay IssuesVendor Advisory
Products affected by CVE-2020-15839
- cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:-:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_1:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_10:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_11:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_12:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_13:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_14:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_15:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_16:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_17:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_2:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_3:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_4:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_5:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_6:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_7:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_8:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_9:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.1:sp1:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.2:-:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_1:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_2:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_3:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_4:*:*:*:*:*:*
- cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_5:*:*:*:*:*:*