NVD

CVE-2021-25980 Detail

Modified

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Description

In Talkyard, versions v0.04.01 through v0.6.74-WIP-63220cb, v0.2020.22-WIP-b2e97fe0e through v0.2021.02-WIP-879ef3fe1 and tyse-v0.2021.02-879ef3fe1-regular through tyse-v0.2021.28-af66b6905-regular, are vulnerable to Host Header Injection. By luring a victim application-user to click on a link, an unauthenticated attacker can use the “forgot password” functionality to reset the victim’s password and successfully take over their account.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: Mend

Base Score: 8.8 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 6.8 MEDIUM

Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://github.com/debiki/talkyard/commit/4067e191a909ed06f250d09a40e43aa5edbb0289	Patch Third Party Advisory
https://github.com/debiki/talkyard/commit/4067e191a909ed06f250d09a40e43aa5edbb0289	Patch Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25980	Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25980	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')	NIST Mend

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Initial Analysis by NIST 11/16/2021 12:19:46 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added	CVSS V2		NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Added	CWE		NIST CWE-74
Added	CPE Configuration		OR cpe:2.3:a:talkyard:talkyard::::::::* versions from (including) 0.04.01 up to (including) 0.6.74-wip-63220cb cpe:2.3:a:talkyard:talkyard::::::::* versions from (including) 0.2020.22-wip-b2e97fe0e up to (including) 0.2021.02-wip-879ef3fe1 cpe:2.3:a:talkyard:talkyard::::::::* versions from (including) tyse-v0.2021.02-879ef3fe1-regular up to (including) tyse-v0.2021.28-af66b6905-regular
Changed	Reference Type	https://github.com/debiki/talkyard/commit/4067e191a909ed06f250d09a40e43aa5edbb0289 No Types Assigned	https://github.com/debiki/talkyard/commit/4067e191a909ed06f250d09a40e43aa5edbb0289 Patch, Third Party Advisory
Changed	Reference Type	https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25980 No Types Assigned	https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25980 Third Party Advisory
Added	CVSS V2 Metadata		Victim must voluntarily interact with attack mechanism

Quick Info

CVE Dictionary Entry:
CVE-2021-25980
NVD Published Date:
11/11/2021
NVD Last Modified:
11/21/2024
Source:
Mend

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Information Technology Laboratory

National Vulnerability Database