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cve[email protected]CVE-2021-34798
HistorySep 16, 2021 - 3:15 p.m.

CVE-2021-34798

2021-09-1615:15:07
CWE-476
[email protected]
web.nvd.nist.gov
1462
5
cve-2021-34798
malformed requests
null pointer dereference
apache http server
nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.4%

JSON

Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.

Affected configurations

Vulners
NVD
Node
apacheapache_http_serverRange≤2.4.48

CNA Affected

[
  {
    "product": "Apache HTTP Server",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "2.4.48",
        "status": "affected",
        "version": "Apache HTTP Server 2.4",
        "versionType": "custom"
      }
    ]
  }
]

References

Social References

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5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

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Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

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User Interaction

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Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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8.6 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.4%

JSON
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