4.3

CVE-2020-1776: otrs ag otrs Insufficient Session Expiration

CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2020-1776DEBIAN-CVE-2020-1776
Published 20-07-2020Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2020-1776 is a medium (CVSS 4.3) Insufficient Session Expiration vulnerability in otrs ag otrs. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.6% 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
0.92%
0%100%
Low · +0.04 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. 20-07-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

When an agent user is renamed or set to invalid the session belonging to the user is keept active. The session can not be used to access ticket data in the case the agent is invalid. This issue affects ((OTRS)) Community Edition: 6.0.28 and prior versions. OTRS: 7.0.18 and prior versions, 8.0.4. and prior versions.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.92%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

+0.04 pp

From 0.88% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.92%

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< 6.0.29-1
Otrs1 product
  • otrs< 6.0.29 | ≥ 7.0.0, < 7.0.19 | ≥ 8.0.1, < 8.0.5
Ubuntu1 product
  • otrs2All versions (No fix recorded)

4 vendors · 5 products

References

5 links