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CVE-2018-11805

23
FAUCET Score

CVE-2018-11805 describes a critical vulnerability in Apache SpamAssassin versions prior to 3.4.3, where specially crafted CF files can execute arbitrary system commands, impacting products like Apache and Debian SpamAssassin. This vulnerability carries a CVSS score of 6.7 (Medium), indicating that an attacker with high privileges and local access can achieve high confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.4.3CPE matchmatch criteria
cpe:2.3:a:apache:spamassassin:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.7MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0087 is in the 97th percentile among its peer group of 3,720 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: spamassassin-0:3.4.2-10.el8
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: spamassassin

Vendor Advisories (1)

redhatCVE-2018-11805Moderate

spamassassin: crafted configuration files can run system commands without any output or errors

Dec 12, 2019

References

lists.opensuse.org / opensuse-security-announce/2020-04/msg00003.html
bz.apache.org / SpamAssassin/show_bug.cgi
Permissions Required
lists.apache.org / thread.html/0b5c73809d0690527341d940029f743807b70550050fd23ee869c5e5%40%3Cusers.spamassassin.apache.org%3E
lists.apache.org / thread.html/2946b38caec47f7f6a79e8e03d2aa723794186e59a7dc6b5e76dfc18%40%3Cannounce.spamassassin.apache.org%3E
lists.apache.org / thread.html/6f89f82a573ea616dce53ec67e52d963618a9f9ac71da5c1efdbd166%40%3Cusers.spamassassin.apache.org%3E
lists.apache.org / thread.html/8534b60bae95ac3a8a4adb840f4ab26135f1c973ce197ff44439cbae%40%3Cusers.spamassassin.apache.org%3E
lists.apache.org / thread.html/bc58907171c6585e5875a3ce86066d4956c218911cb74e3156de4433%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/c1f59b7e13b7f2c12f847f7d0dec2636df3cdbcaa6d8309007395ff4%40%3Cusers.spamassassin.apache.org%3E
lists.apache.org / thread.html/d015dc5b4f24fd6777a85d068502a9c5d58d69d877ed5b0eb9a22cd5%40%3Cdev.spamassassin.apache.org%3E
lists.apache.org / thread.html/r217177f7de36deab36dab88db4b6448961122571176dd4b2c133d08e%40%3Cannounce.spamassassin.apache.org%3E
lists.apache.org / thread.html/r2578c486552637bfedbe624940cc60d6463bd90044c887bdebb75e74%40%3Cusers.spamassassin.apache.org%3E
lists.apache.org / thread.html/r3d32ebf97b1245b8237763444e911c4595d2ad5e34a1641840d8146f%40%3Cusers.spamassassin.apache.org%3E
lists.apache.org / thread.html/r6729f3d3be754a06c39bb4f11c925a3631e8ea2b4c865546d755cb0a%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/r6729f3d3be754a06c39bb4f11c925a3631e8ea2b4c865546d755cb0a%40%3Cdev.spamassassin.apache.org%3E
lists.apache.org / thread.html/r6729f3d3be754a06c39bb4f11c925a3631e8ea2b4c865546d755cb0a%40%3Cusers.spamassassin.apache.org%3E
lists.apache.org / thread.html/r71f789fcd6339144e3d4db8f4128def12c341e638bd0107a0b82a05b%40%3Cannounce.spamassassin.apache.org%3E
lists.apache.org / thread.html/rc4df9835fb2d7b5bb1202fca99a1de21a40acef055661d3a9e8ae781%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/rc4df9835fb2d7b5bb1202fca99a1de21a40acef055661d3a9e8ae781%40%3Cdev.spamassassin.apache.org%3E
lists.apache.org / thread.html/rc4df9835fb2d7b5bb1202fca99a1de21a40acef055661d3a9e8ae781%40%3Cusers.spamassassin.apache.org%3E
lists.debian.org / debian-lts-announce/2019/12/msg00019.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2019/Dec/27
Mailing ListThird Party Advisory
seclists.org / oss-sec/2019/q4/154
Mailing ListThird Party Advisory
svn.apache.org / repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txt
Mailing ListVendor Advisory
usn.ubuntu.com / 4237-1
usn.ubuntu.com / 4237-2
debian.org / security/2019/dsa-4584
Third Party Advisory
openwall.com / lists/oss-security/2019/12/12/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2020/01/30/2
openwall.com / lists/oss-security/2020/01/30/3