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[email protected]CVE-2021-27577

HistoryJun 29, 2021 - 12:15 p.m.

CVE-2021-27577

2021-06-2912:15:08

CWE-444

[email protected]

web.nvd.nist.gov

cve-2021-27577

apache traffic server

vulnerability

cache poisoning

nvd

security issue

url fragment vulnerability

5 Medium

CVSS2

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

8.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.9%

JSON

Incorrect handling of url fragment vulnerability of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

Affected configurations

Vulners

NVD

Node

apachetraffic_serverRange7.0.0–7.1.12

apachetraffic_serverRange8.0.0–8.1.1

apachetraffic_serverRange9.0.0–9.0.1

CPENameOperatorVersion
apache:traffic_serverapache traffic serverle7.1.12
apache:traffic_serverapache traffic serverle8.1.1
apache:traffic_serverapache traffic serverle9.0.1

CPE	Name	Operator	Version
apache:traffic_server	apache traffic server	le	7.1.12
apache:traffic_server	apache traffic server	le	8.1.1
apache:traffic_server	apache traffic server	le	9.0.1

CNA Affected

[
  {
    "product": "Apache Traffic Server",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "status": "affected",
        "version": "Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1"
      }
    ]
  }
]