MEDIUM
CVE-2020-26031
CWE-276Published: December 28, 2020· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official Description
An issue was discovered in Zammad before 3.4.1. The global-search feature leaks Knowledge Base drafts to Knowledge Base readers (who are authenticated but have insufficient permissions).
Technical Analysis
CVE-2020-26031 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
zammad1 product(s)
zammad
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 (2)
→
https://zammad.com/news/security-advisory-zaa-2020-16Vendor Advisory
→
https://zammad.com/news/security-advisory-zaa-2020-16Vendor Advisory
Quick Facts
CVE IDCVE-2020-26031
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-276
CISA KEVNo
Affected1 vendor(s)
PublishedDec 28, 2020
Related CVEs (CWE-276)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-26031 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.