Critical severity · published Sep 14, 2018
CVE-2018-17057
An issue was discovered in TCPDF before 6.2.22
9.8
CVSS
26.2%
EPSS
No
On KEV
Description
An issue was discovered in TCPDF before 6.2.22. Attackers can trigger deserialization of arbitrary data via the phar:// wrapper.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)26.2% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Limesurvey · Limesurvey
before 3.16.0 · source: NVD
TC
Tcpdf · Tecnick
before 6.2.22 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17057
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17057
Third Party Advisory
http://packetstormsecurity.com/files/152200/TCPDF-6.2.19-Deserialization-Remote-Code-Execution.html
Exploit
http://packetstormsecurity.com/files/152360/LimeSurvey-Deserialization-Remote-Code-Execution.html
Mailing List
http://seclists.org/fulldisclosure/2019/Mar/36
Third Party Advisory
https://contao.org/en/news/security-vulnerability-cve-2018-17057.html
Patch
https://github.com/LimeSurvey/LimeSurvey/commit/1cdd78d27697b3150bb44aaa7af1a81062a591a5
Patch
https://github.com/tecnickcom/TCPDF/commit/1861e33fe05f653b67d070f7c106463e7a5c26ed
More from Limesurvey
9.8
CVE-2025-56422
A deserialization vulnerability in LimeSurvey before v6.15.0+250623 allows a remote attacker to execute arbitrary code on the server
9.8
CVE-2025-41375
SQL Injection in Limesurvey
9.8
CVE-2024-6933
A flaw has been found in LimeSurvey 6.5.14-240624
9.8
CVE-2022-48008
An arbitrary file upload vulnerability in the plugin manager of LimeSurvey v5.4.15 allows attackers to execute arbitrary code via a crafted PHP file
9.8
CVE-2019-25019
LimeSurvey before 4.0.0-RC4 allows SQL injection via the participant model