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CVE-2019-10740

18
FAUCET Score

CVE-2019-10740 describes a vulnerability in Roundcube Webmail versions prior to 1.3.10, also affecting fedoraproject and opensuse. An attacker can craft a multipart email containing hidden encrypted content, which, if replied to by the recipient, inadvertently leaks the plaintext of the encrypted message back to the attacker. This is a medium severity vulnerability with a CVSS score of 4.3, requiring user interaction (UI:R) and having a low impact on integrity (I:L). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.10CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
51.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 59th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 (3)

matrixpatch availablevia llm_extracted
View patch
ubuntupatch availablevia ubuntu_usn
Product: roundcube (bionic)Fixed in: 1.3.6+dfsg.1-1ubuntu0.1~esm7
ubuntupatch availablevia ubuntu_usn
Product: roundcube (xenial)Fixed in: 1.2~beta+dfsg.1-0ubuntu1+esm7

Vendor Advisories (2)

ubuntuUSN-8132-1

Roundcube Webmail vulnerabilities

Mar 30, 2026
matrixllm-matrix-274ae49727716c05

Roundcube Webmail vulnerabilities

References

lists.opensuse.org / opensuse-security-announce/2020-09/msg00083.html
Mailing ListThird Party Advisory
github.com / roundcube/roundcubemail/issues/6638
ExploitIssue TrackingThird Party Advisory
github.com / roundcube/roundcubemail/releases/tag/1.3.10
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/TFFMSO5WKEYSGMTZPZFF4ZADUJ57PRN5