7.5

CVE-2021-21441: otrs ag otrs Cross-site Scripting

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-21441DEBIAN-CVE-2021-21441
Published 16-06-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-21441 is a high (CVSS 7.5) Cross-site Scripting vulnerability in otrs ag otrs. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.8% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DLA-3551-1

Timeline

  1. 16-06-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

There is a XSS vulnerability in the ticket overview screens. It's possible to collect various information by having an e-mail shown in the overview screen. Attack can be performed by sending specially crafted e-mail to the system and it doesn't require any user intraction. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.09%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.09% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Otrs ag2 products
Debian1 product
  • otrs2< 6.0.32-5
Otrs1 product
  • otrs≥ 6.0.1 (No fix recorded) | ≥ 7.0.0, ≤ 7.0.26
Ubuntu1 product
  • otrs2All versions (No fix recorded)

4 vendors · 5 products

References

5 links