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cveChromeCVE-2021-21157
HistoryFeb 22, 2021 - 10:15 p.m.

CVE-2021-21157

2021-02-2222:15:12
CWE-416
Chrome
web.nvd.nist.gov
798
12
cve-2021-21157
web sockets
google chrome
linux
heap corruption
remote attacker
exploit

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9

Confidence

High

EPSS

0.006

Percentile

78.3%

Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected configurations

Nvd
Vulners
Node
microsoftedgeRange<88.0.705.74
OR
microsoftedge_chromiumRange<88.0.4324.182
Node
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
Node
googlechromeRange<88.0.4324.182
AND
linuxlinux_kernelMatch-
VendorProductVersionCPE
microsoftedge*cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*
microsoftedge_chromium*cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
googlechrome*cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
linuxlinux_kernel-cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Chrome",
    "vendor": "Google",
    "versions": [
      {
        "lessThan": "88.0.4324.182",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9

Confidence

High

EPSS

0.006

Percentile

78.3%