What is CVE-2015-2181?

CVE-2015-2181 is a high-severity vulnerability in Roundcube Webmail, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-01-30.

How severe is CVE-2015-2181?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Roundcube Webmail

CVE-2015-2181

Multiple buffer overflows in the DBMail driver in the Password plugin in Roundcube before 1.1.0 allow remote attackers to have unspecified impact via the (1) password or (2) username.

Vulnerability class: Buffer Overflow

Published 2017-01-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.029 (86.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Roundcube Webmail

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.securityfocus.com/bid/96391 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/roundcube/roundcubemail/issues/4757 (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2015-2181?: CVE-2015-2181 is a high-severity vulnerability in Roundcube Webmail, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-01-30.
How severe is CVE-2015-2181?: High severity. CVSS v3 base score is 8.8 out of 10.