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High severity · published Dec 8, 2017
CVE-2017-16921
In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS 4.0.x up to and including 4.0.26, an attacker who is logged into OTRS as an agent can…
8.8
CVSS
19.9%
EPSS
No
On KEV
Description
In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS 4.0.x up to and including 4.0.26, an attacker who is logged into OTRS as an agent can manipulate form parameters (related to PGP) and execute arbitrary shell commands with the permissions of the OTRS or web server user.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)19.9% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · source: NVD
OT
Otrs · Otrs
4.0.1; 4.0.2; 4.0.3; 4.0.4; 4.0.5; 4.0.6; +34 more · source: NVD
Affected product
DL
Debian Linux
Debian
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16921
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16921
packetstormsecurity.com
http://packetstormsecurity.com/files/162295/OTRS-6.0.1-Remote-Command-Execution.html
Mailing List
https://lists.debian.org/debian-lts-announce/2017/12/msg00015.html
Mailing List
https://www.debian.org/security/2017/dsa-4066
Exploit
https://www.exploit-db.com/exploits/43853/
Issue Tracking
https://www.otrs.com/security-advisory-2017-09-security-update-otrs-framework/
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