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cve[email protected]CVE-2021-22959
HistoryNov 15, 2021 - 3:15 p.m.

CVE-2021-22959

2021-11-1515:15:00
CWE-444
[email protected]
web.nvd.nist.gov
162
3
cve-2021-22959
parser
http request smuggling
llhttp
nvd
security
vulnerability

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.7 Medium

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

65.3%

JSON

The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.

Social References

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6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.7 Medium

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

65.3%

JSON
Related for CVE-2021-22959
ibm24prion1hackerone1ubuntucve1redhatcve1alpinelinux1debiancve1osv6veracode1fedora3nessus27openvas15archlinux3altlinux1nodejsblog1mageia1freebsd1redhat5debian1rocky3oraclelinux2suse5almalinux2oracle1