5.5

CVE-2023-5421: otrs ag otrs Improper Input Validation

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-5421
Published 16-10-2023Last modified 16-09-2024

Vulnerability summary

CVE-2023-5421 is a medium (CVSS 5.5) Improper Input Validation vulnerability in otrs ag otrs. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.45%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-10-2023
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

An attacker who is logged into OTRS as an user with privileges to create and change customer user data may manipulate the CustomerID field to execute JavaScript code that runs immediatly after the data is saved.The issue onlyoccurs if the configuration for AdminCustomerUser::UseAutoComplete was changed before. This issue affects OTRS: from 7.0.X before 7.0.47, from 8.0.X before 8.0.37; ((OTRS)) Community Edition: from 6.0.X through 6.0.34.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.45%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

+0.07 pp

From 0.37% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.45%

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
Ubuntu2 products
  • otrs2All versions (No fix recorded)
  • znunyAll versions (No fix recorded)
Otrs1 product
  • otrs≥ 6.0.0, ≤ 6.0.34 | ≥ 7.0.0, < 7.0.47 | ≥ 8.0.0, < 8.0.37

3 vendors · 5 products

References

3 links