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CVE-2018-11780

37
FAUCET Score

CVE-2018-11780 is a critical remote code execution vulnerability affecting the PDFInfo plugin in Apache SpamAssassin versions prior to 3.4.2, as well as related distributions from Canonical and Debian. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, allowing an unauthenticated attacker to achieve full compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation (not in KEV or Hot List) and no public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.4.2CPE matchmatch criteria
cpe:2.3:a:apache:spamassassin:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:pdfinfo_project:pdfinfo:-:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
10.82%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.1082 is in the 91st percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Advisories (1)

redhatCVE-2018-11780Important

spamassassin: Potential remote code execution vulnerability in PDFInfo plugin

Sep 17, 2018

References

lists.opensuse.org / opensuse-security-announce/2019-08/msg00002.html
lists.apache.org / thread.html/7f6a16bc0fd0fd5e67c7fd95bd655069a2ac7d1f88e42d3c853e601c%40%3Cannounce.apache.org%3E
lists.debian.org / debian-lts-announce/2018/11/msg00016.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/201812-07
Third Party Advisory
usn.ubuntu.com / 3811-1
Third Party Advisory
usn.ubuntu.com / 3811-3
Third Party Advisory
securityfocus.com / bid/105373
Third Party AdvisoryVDB Entry