Vulnerability Details : 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 manipulate form parameters (related to PGP) and execute arbitrary shell commands with the permissions of the OTRS or web server user.
Exploit prediction scoring system (EPSS) score for CVE-2017-16921
Probability of exploitation activity in the next 30 days: 2.34%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 88 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-16921
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2017-16921
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-16921
-
http://packetstormsecurity.com/files/162295/OTRS-6.0.1-Remote-Command-Execution.html
OTRS 6.0.1 Remote Command Execution ≈ Packet Storm
-
https://www.debian.org/security/2017/dsa-4066
Debian -- Security Information -- DSA-4066-1 otrs2Mailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2017/12/msg00015.html
[SECURITY] [DLA 1212-1] otrs2 security updateMailing List;Third Party Advisory
-
https://www.otrs.com/security-advisory-2017-09-security-update-otrs-framework/
Security Advisory 2017-09: Security Update for OTRS Framework - | community.otrs.comIssue Tracking;Patch;Vendor Advisory
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https://www.exploit-db.com/exploits/43853/
OTRS 5.0.x/6.0.x - Remote Command ExecutionExploit;Third Party Advisory;VDB Entry
Products affected by CVE-2017-16921
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.22:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.24:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.22:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.23:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.19:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.20:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.21:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.19:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.20:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.21:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.23:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.24:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.0:alpha1:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.26:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:4.0.25:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:5.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:otrs:otrs:6.0.0:alpha1:*:*:*:*:*:*