What is CVE-2019-11836?

CVE-2019-11836 is a medium-severity vulnerability in Rediff Rediffmail, classified under Missing Encryption of Sensitive Data. CVSS score: 4.6/10. Published 2019-05-09.

How severe is CVE-2019-11836?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Rediff Rediffmail

CVE-2019-11836

The Rediffmail (aka com.rediff.mail.and) application 2.2.6 for Android has cleartext mail content in file storage, persisting after a logout.

Published 2019-05-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Rediff Rediffmail — versions 2.2.6

Weakness classification (CWE)

CWE-311 — Missing Encryption of Sensitive Data

References

twitter.com/811Rishi/status/1122603147183017985 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-11836?: CVE-2019-11836 is a medium-severity vulnerability in Rediff Rediffmail, classified under Missing Encryption of Sensitive Data. CVSS score: 4.6/10. Published 2019-05-09.
How severe is CVE-2019-11836?: Medium severity. CVSS v3 base score is 4.6 out of 10.