CVE-2020-11803: An issue was discovered in Titan SpamTitan 7.07

This month

HIGH 8.8DOWNGRADE

CVE-2020-11803 is a high-severity flaw (CVSS 8.8) affecting spamtitan. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Titan SpamTitan 7.07. Improper sanitization of the parameter jaction when interacting with the page mailqueue.php could lead to PHP code evaluation server-side, because the user-provided input is passed directly to the php eval() function. The user has to be authenticated on the web platform before interacting with the page.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	7.5% (top 5%)
CISA exploited list	No
Weakness	CWE-94
Published	2020-09-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: titanhq

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-09-17 17:15 UTCPublished CVE record published
2026-06-17 02:50 UTCUpdated Record last modified

titanhq spamtitan DOWNGRADE

Affected: 7.07

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.07

1. Check installed version

apt-cache policy spamtitan || rpm -q spamtitan || spamtitan --version

2. No fixed release: DOWNGRADE to a release before 7.07 (Debian / Ubuntu)

apt-cache madison spamtitan sudo apt install spamtitan=<VERSION_BEFORE_7.07> sudo apt-mark hold spamtitan

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list spamtitan sudo dnf downgrade spamtitan-<VERSION_BEFORE_7.07> sudo dnf versionlock add spamtitan

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: SpamTitan 7.07 - Remote Code Execution (Authenticated)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-11803?

spamtitan: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-11803 being exploited?

CVE-2020-11803 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-11803 affect?

CVE-2020-11803 affects spamtitan. Severity is high (CVSS 8.8). An issue was discovered in Titan SpamTitan 7.07. Improper sanitization of the parameter jaction when interacting with the page mailqueue.php could lead to PHP code evaluation server-side, because the user-provided input is passed directly t

How urgent is CVE-2020-11803?

Priority 59/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-35658 MEDIUM 5.3 UPGRADE SpamTitan before 7.09 allows attackers to tamper with backups, because backups are not encrypted.
CVE-2020-24046 HIGH 7.2 DOWNGRADE A sandbox escape issue was discovered in TitanHQ SpamTitan Gateway 7.07
CVE-2020-24045 HIGH 7.2 DOWNGRADE A sandbox escape issue was discovered in TitanHQ SpamTitan Gateway 7.07
CVE-2020-11804 HIGH 8.8 DOWNGRADE An issue was discovered in Titan SpamTitan 7.07
CVE-2020-11700 MEDIUM 6.5 DOWNGRADE An issue was discovered in Titan SpamTitan 7.07

References

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