dovecot: DoS (daemon hang) when parsing invalid IMAP APPEND command parameters
Published May 27, 2014
5.0
MEDIUMCVSS 2.0
EPSS 2.43%
Description
The IMAP functionality in Dovecot before 2.2.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via invalid APPEND parameters.
Affected products
No data.
- ≤ 2.2.1
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2.0
No data.
Red Hat Enterprise Linux 5
dovecot
Not affected
Red Hat Enterprise Linux 6
dovecot
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| 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 does not affect the version of dovecot as shipped with Red Hat Enterprise Linux 5 and 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:N/C:N/I:N/A:P
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 2, 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 2, 2026 | 2.43% (0.02427) | 83.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.43% (0.02427) | 82.02th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.00% (0.00998) | 75.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.07% (0.01075) | 84.91th | v3 (v2023.03.01) |
| Apr 7, 2024 | 1.07% (0.01075) | 83.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.07% (0.01075) | 81.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (8)
- http://secunia.com/advisories/53492 third-party-advisoryx_refsource_SECUNIA
- http://www.dovecot.org/list/dovecot-news/2013-May/000255.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2013/05/24/1 mailing-listx_refsource_MLIST
- http://www.securitytracker.com/id/1028585 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2013-2111 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=966029 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-2111
- https://www.cve.org/CVERecord?id=CVE-2013-2111
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/53492 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.dovecot.org/list/dovecot-news/2013-May/000255.html | mailing-listx_refsource_MLISTPatchVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2013/05/24/1 | mailing-listx_refsource_MLIST | |
| http://www.securitytracker.com/id/1028585 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2013-2111 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=966029 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-2111 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-2111 |
Change history (0)
No recorded changes yet.