Dovecot: Failed to update ACL cache for mailboxes stored in private namespace
Published Oct 6, 2010
5.5
MEDIUMCVSS 2.0
EPSS 2.13%
Description
plugins/acl/acl-backend-vfile.c in Dovecot 1.2.x before 1.2.15 and 2.0.x before 2.0.5 interprets an ACL entry as a directive to add to the permissions granted by another ACL entry, instead of a directive to replace the permissions granted by another ACL entry, in certain circumstances involving the private namespace of a user, which allows remote authenticated users to bypass intended access restrictions via a request to read or modify a mailbox.
Affected products
No data.
Configuration 1
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.9
- 1.2.10
- 1.2.11
- 1.2.12
- 1.2.13
- 1.2.14
No data.
Red Hat Enterprise Linux 4
dovecot
Not affected
Red Hat Enterprise Linux 5
dovecot
Not affected
Red Hat Enterprise Linux 6
dovecot
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | dovecot | Not affected | n/a |
| Red Hat Enterprise Linux 5 | dovecot | Not affected | n/a |
| Red Hat Enterprise Linux 6 | dovecot | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of dovecot as shipped with Red Hat Enterprise Linux 4, 5 or 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.13% (0.02127) | 81.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.13% (0.02127) | 79.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.38% (0.00380) | 57.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00205) | 59.39th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.23% (0.00233) | 61.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00233) | 59.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.81% (0.01815) | 77.08th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.81% (0.01815) | 77.03th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.81% (0.01815) | 75.00th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.81% (0.01815) | 54.30th | v2 (v2022.01.01) |
References (16)
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=oss-security&m=128620520732377&w=2 mailing-listx_refsource_MLIST
- http://marc.info/?l=oss-security&m=128622064325688&w=2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/43220 third-party-advisoryx_refsource_SECUNIA
- http://www.dovecot.org/list/dovecot/2010-October/053450.html mailing-listx_refsource_MLISTVendor Advisory
- http://www.dovecot.org/list/dovecot/2010-October/053451.html mailing-listx_refsource_MLISTVendor Advisory
- http://www.dovecot.org/list/dovecot/2010-October/053452.html mailing-listx_refsource_MLIST
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:217 vendor-advisoryx_refsource_MANDRIVA
- http://www.ubuntu.com/usn/USN-1059-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2010/2572 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2010/2840 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2011/0301 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2010-3706 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=640401 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-3706
- https://www.cve.org/CVERecord?id=CVE-2010-3706
Change history (0)
No recorded changes yet.