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CVE-2013-2111

15
FAUCET Score

CVE-2013-2111 describes a denial-of-service vulnerability in Dovecot's IMAP functionality, affecting versions prior to 2.2.2. Remote attackers can trigger an infinite loop and high CPU consumption by providing invalid APPEND parameters. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, leading to a partial availability impact. 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
<= 2.2.1CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:2.2:rc1:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:2.2:rc2:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:2.2:rc3:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:2.2:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.43%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0243 is in the 74th percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2013-2111Moderate

dovecot: DoS (daemon hang) when parsing invalid IMAP APPEND command parameters

May 20, 2013

References

secunia.com / advisories/53492
dovecot.org / list/dovecot-news/2013-May/000255.html
PatchVendor Advisory
openwall.com / lists/oss-security/2013/05/24/1
securitytracker.com / id/1028585