MEDIUM
CVE-2020-1776
CWE-613Published: July 20, 2020· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official 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.
Technical Analysis
CVE-2020-1776 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
otrs1 product(s)
otrs
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://otrs.com/release-notes/otrs-security-advisory-2020-13/Patch · Vendor Advisory
→
https://otrs.com/release-notes/otrs-security-advisory-2020-13/Patch · Vendor Advisory
Quick Facts
CVE IDCVE-2020-1776
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-613
CISA KEVNo
Affected1 vendor(s)
PublishedJul 20, 2020
Related CVEs (CWE-613)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-1776 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.