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cveMitreCVE-2021-31920
HistoryMay 27, 2021 - 5:15 a.m.

CVE-2021-31920

2021-05-2705:15:06
CWE-706
mitre
web.nvd.nist.gov
92
4
cve-2021-31920
istio
vulnerability
authorization policy
security
nvd

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7

Confidence

High

EPSS

0.001

Percentile

35.1%

JSON

Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used.

Affected configurations

Nvd
Node
istioistioRange<1.8.6
OR
istioistioRange1.9.0–1.9.5
VendorProductVersionCPE
istioistio*cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*

Social References

More

Related

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redhat 2
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Oracle Linux 7 : olcne (ELSA-2021-9397)
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2021-08-06 00:00:00
olcne security update
2021-08-06 00:00:00

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7

Confidence

High

EPSS

0.001

Percentile

35.1%

JSON
Related for CVE-2021-31920
cvelist1prion1osv2veracode1github1nvd1redhatcve1nessus6redhat2oraclelinux4