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Fencer Vulns
critical 9.8

CVE-2016-10727 json

camel/providers/imapx/camel-imapx-server.c in the IMAPx component in GNOME evolution-data-server before 3.21.2 proceeds with cleartext data…

published 2018-07-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1725

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

camel/providers/imapx/camel-imapx-server.c in the IMAPx component in GNOME evolution-data-server before 3.21.2 proceeds with cleartext data containing a password if the client wishes to use STARTTLS but the server will not use STARTTLS, which makes it easier for remote attackers to obtain sensitive information by sniffing the network. The server code was intended to report an error and not proceed, but the code was written incorrectly.

Patch / fix

  • gnome evolution 3.21.2
  • evolution-data-server Debian 14, Debian 13, Debian 12 3.22.0-2

debian advisories DEBIAN-CVE-2016-10727

  • evolution-data-server Ubuntu 14.04 LTS 3.10.4-0ubuntu1.6
  • evolution-data-server Ubuntu 16.04 LTS 3.18.5-1ubuntu1.1

ubuntu advisories UBUNTU-CVE-2016-10727

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • evolution-data-server RHEL 7 3.12.11-37.el7
  • openchange RHEL 7 2.3-2.el7
  • evolution-ews RHEL 7 3.12.11-9.el7
  • evolution-mapi RHEL 7 3.12.10-5.el7
  • openchange-client RHEL 7 2.3-2.el7

red hat advisories RHBA-2016:2206

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-10727 updated cvss 5.3

evolution-data-server: IMAPx Component Information Disclosure

  • Red Hat Enterprise Linux Client (v. 7) openchange 2.3-2.el7, evolution-ews 3.12.11-9.el7, evolution-mapi 3.12.10-5.el7, evolution-data-server 3.12.11-37.el7 Red Hat Enterprise Linux Client Optional (v. 7) openchange-client 2.3-2.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) evolution-data-server 3.12.11-37.el7 Red Hat Enterprise Linux Server (v. 7) evolution-data-server 3.12.11-37.el7 Red Hat Enterprise Linux Server Optional (v. 7) openchange 2.3-2.el7, evolution-ews 3.12.11-9.el7, openchange-client 2.3-2.el7, evolution-mapi 3.12.10-5.el7 Red Hat Enterprise Linux Workstation (v. 7) openchange 2.3-2.el7, evolution-ews 3.12.11-9.el7, evolution-mapi 3.12.10-5.el7, evolution-data-server 3.12.11-37.el7
    +1 more products
    Red Hat Enterprise Linux Workstation Optional (v. 7) openchange-client 2.3-2.el7
    fixed: vendor fix RHBA-2016:2206
  • Red Hat Enterprise Linux 5 evolution-data-server Red Hat Enterprise Linux 6 evolution-data-server Red Hat Enterprise Linux 8 evolution-data-server, evolution-data-server-perl, evolution-data-server-tests, evolution-data-server-langpacks
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.89% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1334842 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.