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Vulnerability details: VCID-9mjt-kf3m-aaac
Vulnerability ID VCID-9mjt-kf3m-aaac
Aliases CVE-2021-37149
Summary Improper Input Validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00179 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
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epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
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epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
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epss 0.00496 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.0067 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.0104 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
epss 0.01182 https://api.first.org/data/v1/epss?cve=CVE-2021-37149
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-37149
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-37149
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-37149
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-37149
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37147
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37148
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37149
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38161
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44040
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44759
https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164
https://www.debian.org/security/2022/dsa-5153
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
CVE-2021-37149 https://nvd.nist.gov/vuln/detail/CVE-2021-37149
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-37149
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-37149
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-37149
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.40685
EPSS Score 0.00093
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.