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CVE-2009-5056

12
FAUCET Score

CVE-2009-5056 describes an access control bypass vulnerability in Open Ticket Request System (OTRS) versions prior to 2.4.0-beta2. Authenticated users could read tickets in queues they lacked direct access to by watching the ticket and then accessing it from their watched-tickets list, circumventing the intended move_into permission. This vulnerability has a low severity CVSS score of 2.1, indicating a network-based attack with high access complexity, requiring authentication, and resulting in partial confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.0CPE matchmatch criteria
cpe:2.3:a:otrs:otrs:*:beta1:*:*:*:*:*:*
0.5CPE matchmatch criteria
cpe:2.3:a:otrs:otrs:0.5:beta1:*:*:*:*:*:*
0.5CPE matchmatch criteria
cpe:2.3:a:otrs:otrs:0.5:beta2:*:*:*:*:*:*
0.5CPE matchmatch criteria
cpe:2.3:a:otrs:otrs:0.5:beta3:*:*:*:*:*:*
0.5CPE matchmatch criteria
cpe:2.3:a:otrs:otrs:0.5:beta4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:N/AC:H/Au:S/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
SINGLE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 31st percentile among its peer group of 1,638 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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

bugs.otrs.org / show_bug.cgi
Exploit
source.otrs.org / viewvc.cgi/otrs/CHANGES