5.5

CVE-2020-1768: otrs ag otrs Insufficient Session Expiration

CVSS: 5.5v2.0MediumModified
AliasesUBUNTU-CVE-2020-1768
Published 07-02-2020Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2020-1768 is a medium (CVSS 5.5) Insufficient Session Expiration vulnerability in otrs ag otrs. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v2.0 (NVD)
EPSS score
0.75%
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. 07-02-2020
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.75%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.75% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.75%

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≥ 7.0.0, ≤ 7.0.14
Otrs ag1 product
  • otrs≥ 7.0.x, ≤ 7.0.14
Ubuntu1 product
  • otrs2All versions (No fix recorded)

3 vendors · 3 products

References

4 links