CVE-2021-28170

  1. Reconshell
  2. Vulnerabilities (CVE)
  3. CVE-2021-28170
In the Jakarta Expression Language implementation 3.0.3 and earlier, a bug in the ELParserTokenManager enables invalid EL expressions to be evaluated as if they were valid.

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://github.com/eclipse-ee4j/el-ri/issues/155 Exploit Issue Tracking Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/ Exploit Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html Patch Third Party Advisory
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Configurations

Configuration 1 (hide)

cpe:2.3:a:eclipse:jakarta_expression_language:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*
Information

Published : 2021-05-26 15:15

Updated : 2022-04-25 13:15

NVD link : CVE-2021-28170

Mitre link : CVE-2021-28170

JSON object : View

CWE
CWE-917

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

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Products Affected

eclipse

  • jakarta_expression_language

oracle

  • weblogic_server
  • communications_cloud_native_core_policy

quarkus

  • quarkus