How severe is CVE-2018-15136?

CVE-2018-15136 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-15136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15136?

CVE-2018-15136 affects Titanhq Spamtitan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15136?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-15136 published?

CVE-2018-15136 was published on 2019-01-30 and last updated on 2026-06-17.

CVE-2018-15136

CVE-2018-15136 is a medium-severity vulnerability in Titanhq Spamtitan with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 2.6
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Titanhq Spamtitan
Published: 2019-01-30
Last modified: 2026-06-17

Description

TitanHQ SpamTitan before 7.01 has Improper input validation. This allows internal attackers to bypass the anti-spam filter to send malicious emails to an entire organization by modifying the URL requests sent to the application.

Frequently asked questions

What is CVE-2018-15136?: TitanHQ SpamTitan before 7.01 has Improper input validation. This allows internal attackers to bypass the anti-spam filter to send malicious emails to an entire organization by modifying the URL requests sent to the application.
How severe is CVE-2018-15136?: CVE-2018-15136 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-15136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15136?: CVE-2018-15136 affects Titanhq Spamtitan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15136?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-15136 published?: CVE-2018-15136 was published on 2019-01-30 and last updated on 2026-06-17.

References

https://www.fwhibbit.es/bypassing-spam-titan-my-first-cve

Affected products (1)

cpe:2.3:a:titanhq:spamtitan:*:*:*:*:*:*:*:*

More vulnerabilities in Titanhq Spamtitan

CVE-2020-11698 — Critical (CVSS 9.8): An issue was discovered in Titan SpamTitan 7.07. Improper input sanitization of the parameter community on the page…
CVE-2020-11804 — High (CVSS 8.8): An issue was discovered in Titan SpamTitan 7.07. Due to improper sanitization of the parameter quid, used in the page…
CVE-2020-11803 — High (CVSS 8.8): An issue was discovered in Titan SpamTitan 7.07. Improper sanitization of the parameter jaction when interacting with…
CVE-2020-11699 — High (CVSS 8.8): An issue was discovered in Titan SpamTitan 7.07. Improper validation of the parameter fname on the page certs-x.php…
CVE-2019-6800 — High (CVSS 7.5): In TitanHQ SpamTitan through 7.03, a vulnerability exists in the spam rule update function. Updates are downloaded over…
CVE-2020-24046 — High (CVSS 7.2): A sandbox escape issue was discovered in TitanHQ SpamTitan Gateway 7.07. It limits the admin user to a restricted…

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