webscript.pl in Open Ticket Request System (OTRS) 2.3.4 and earlier allows remote attackers to execute arbitrary commands via unspecified v…

published 2011-03-11 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0476

cvss: 7.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.0%; EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits: 0; none known

webscript.pl in Open Ticket Request System (OTRS) 2.3.4 and earlier allows remote attackers to execute arbitrary commands via unspecified vectors, related to a "command injection vulnerability."

Patch / fix

distros 1

otrs2 Debian 11 2.4.5-1

debian advisories DEBIAN-CVE-2011-0456

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-0456 updated 2026-01-13 cvss 4.1

otrs: arbitrary command execution flaw

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

hermes.opensuse.org /messages/7797670
vendor-advisory
secunia.com /advisories/43960
third-party-advisory, vendor-advisory
jvn.jp /en/jp/JVN73162541/index.html
third-party-advisory
jvndb.jvn.jp /jvndb/JVNDB-2011-000019
third-party-advisory

Sources

CVE List CVE-2011-0456
NVD CVE-2011-0456

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary