CVE-2018-11780

A potential Remote Code Execution bug exists with the PDFInfo plugin in Apache SpamAssassin before 3.4.2.

Published: 2018-09-17 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-11780 is rated High Risk (67.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.82%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-11780

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 18.68% 10.82% -7.85%
2 2026-05-29 6.77% 18.68% +11.91%
3 2026-04-03 6.77%

Full EPSS history (30 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-11780

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2018-11780

OS Trackers for CVE-2018-11780

vendor priority summary link
alpine critical CVE-2018-11780: 1 source package rows (spamassassin); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. https://security.alpinelinux.org/vuln/CVE-2018-11780
debian not yet assigned CVE-2018-11780 not yet assigned priority: Debian including 1 source packages (spamassassin), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-11780
gentoo normal CVE-2018-11780: 1 GLSA(s) (201812-07), 1 atom(s) (mail-filter/spamassassin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-11780
redhat high https://access.redhat.com/security/cve/CVE-2018-11780
suse high CVE-2018-11780 severity important: SUSE including 31 source package names (perl-Mail-SpamAssassin, perl-Mail-SpamAssassin-3.4.2-10.19, …), 101 product×package rows across 48 product lines (SUSE CaaS Platform 4.0, SUSE CaaS Platform 4.5, … (48 product lines)): Known Not Affected 56, Fixed 45. https://www.suse.com/security/cve/CVE-2018-11780/
ubuntu medium CVE-2018-11780 medium priority: Ubuntu including 1 source packages (spamassassin), 5 status rows across 5 suites (bionic, cosmic, trusty, upstream, xenial): released 4, not-affected 1. https://ubuntu.com/security/CVE-2018-11780

Affected software / configurations for CVE-2018-11780

Vendor Product Version Raw CPE
apache spamassassin < 3.4.2 cpe:2.3:a:apache:spamassassin:*:*:*:*:*:*:*:*
pdfinfo_project pdfinfo cpe:2.3:a:pdfinfo_project:pdfinfo:-:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

References for CVE-2018-11780

cvelogic Threat Intelligence