The IMAP functionality in Dovecot before 2.2.2 allows remote attackers to cause a denial…
Priority LOW 27CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.02427 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* | up to 2.2.1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc1:*:*:*:*:*:* | 2.2 rc1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc2:*:*:*:*:*:* | 2.2 rc2 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc3:*:*:*:*:*:* | 2.2 rc3 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc4:*:*:*:*:*:* | 2.2 rc4 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc5:*:*:*:*:*:* | 2.2 rc5 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc6:*:*:*:*:*:* | 2.2 rc6 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2:rc7:*:*:*:*:*:* | 2.2 rc7 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | The Dovecot Project |
- cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* Versions up to 2.2.1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc1:*:*:*:*:*:* Versions 2.2 rc1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc2:*:*:*:*:*:* Versions 2.2 rc2 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc3:*:*:*:*:*:* Versions 2.2 rc3 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc4:*:*:*:*:*:* Versions 2.2 rc4 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc5:*:*:*:*:*:* Versions 2.2 rc5 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc6:*:*:*:*:*:* Versions 2.2 rc6 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2:rc7:*:*:*:*:*:* Versions 2.2 rc7 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·The Dovecot Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2013-2111
- 2026-10-03 Alias added: GHSA-q87m-7r55-pj97
References
More The Dovecot Project Dovecot vulnerabilities
- TI-2019-08591 In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2)… CVSS 3.0CRITICAL 9.8
- TI-2020-05686 lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3 mishandles… CVSS 3.1HIGH 7.5
- TI-2016-07114 The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a… CVSS 3.0MEDIUM 5.9
- TI-2017-10567 Out-of-bounds read in Dovecot CVSS 3.0HIGH 7.1
- TI-2022-12706 An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. CVSS 3.1HIGH 8.8
- TI-2020-08835 In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP… CVSS 3.1HIGH 7.5
Sources
- CVE-2013-2111 · CVE Program
- CVE-2013-2111 · NVD
- FIRST EPSS
- GHSA-q87m-7r55-pj97 · GitHub Advisory Database · CC BY 4.0
- CVE-2013-2111 · Red Hat security data · CC BY 4.0
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