Search for vulnerabilities
Vulnerability details: VCID-rue4-1cxz-nyas
Vulnerability ID VCID-rue4-1cxz-nyas
Aliases CVE-2021-21443
Summary Agents are able to list customer user emails without required permissions in the bulk action screen. This issue affects: OTRS AG ((OTRS)) Community Edition: 6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x versions prior to 7.0.27.
Status Published
Exploitability 0.5
Weighted Severity 3.9
Risk 1.9
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-21443
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2021-21443
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-21443
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-21443
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21443
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2021-13/
991593 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991593
cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*
CVE-2021-21443 https://nvd.nist.gov/vuln/detail/CVE-2021-21443
No exploits are available.
Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-21443
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:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-21443
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 0.47804
EPSS Score 0.00246
Published At Sept. 11, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:18:45.157201+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2021-21443 37.0.0