4.3

CVE-2020-1778: otrs ag otrs Improper Authentication

CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2020-1778
Published 23-11-2020Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2020-1778 is a medium (CVSS 4.3) Improper Authentication vulnerability in otrs ag otrs. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.5% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-11-2020
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

0.00 pp

From 0.65% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.65%

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

Otrs1 product
Otrs ag1 product
  • otrs≥ 8.0.x, ≤ 8.0.9
Ubuntu1 product
  • otrs2All versions (No fix recorded)

3 vendors · 3 products

References

3 links