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ubuntucveUbuntu.comUB:CVE-2021-28170
HistoryMay 26, 2021 - 12:00 a.m.

CVE-2021-28170

2021-05-2600:00:00
ubuntu.com
ubuntu.com
16
jakarta expression language
bug
evaluation issue
cve-2021-28170

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.001

Percentile

38.1%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchjakarta-el-api< anyUNKNOWN
ubuntu24.04noarchjakarta-el-api< anyUNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.001

Percentile

38.1%