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cve[email protected]CVE-2021-20089
HistoryApr 23, 2021 - 7:15 p.m.

CVE-2021-20089

2021-04-2319:15:11
CWE-1321
web.nvd.nist.gov
20
4
cve
2021
20089
improperly controlled modification
object prototype
prototype pollution
purl 2.3.2
nvd
security advisory

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.0%

Improperly Controlled Modification of Object Prototype Attributes (‘Prototype Pollution’) in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.

Affected configurations

NVD
Node
purl_projectpurlMatch2.3.2

CNA Affected

[
  {
    "product": "purl",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "2.3.2"
      }
    ]
  }
]

Social References

More

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.0%

Related for CVE-2021-20089