CVE-2021-21436: otrs ag otrscisincustomerfrontend
CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-21436
Published 08-02-2021Last modified 17-09-2024
Vulnerability summary
CVE-2021-21436 is a medium (CVSS 4.3) vulnerability in otrs ag otrscisincustomerfrontend. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.4% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
0.76%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-02-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Agents are able to see and link Config Items without permissions, which are defined in General Catalog. This issue affects: OTRS AG OTRSCIsInCustomerFrontend 7.0.x version 7.0.14 and prior versions.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NSources3 sources · 3.5–4.3
- CVE.orgCNA3.5LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.76%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.76% on 19-09-2026
19-09-202619-10-2026
EPSS score0.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-264Permissions, Privileges, and Access ControlsWeaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
- CWE-276Incorrect Default PermissionsDuring installation, installed file permissions are set to allow anyone to modify those files.
Affected systems
Otrs1 product
- cis_in_customer_frontend≥ 7.0.0, ≤ 7.0.14
Otrs ag1 product
- otrscisincustomerfrontend≥ 7.0.x, ≤ 7.0.14
Ubuntu1 product
- otrs2All versions (No fix recorded)
3 vendors · 3 products