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CVE-2021-36097

18
FAUCET Score

CVE-2021-36097 is a moderate severity vulnerability affecting OTRS AG OTRS versions 8.0.16 and prior, where agents without "Owner" permissions can lock tickets. This allows them to move the ticket to a queue where they have read/write access, gaining full control over it. The CVSS score is 4.3 (MEDIUM), indicating a low-complexity attack over the network with low privileges, resulting in a low integrity impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0.0, <= 8.0.16CPE matchmatch criteria
cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 50th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

otrs.com / release-notes/otrs-security-advisory-2021-20
Release NotesVendor Advisory