CVE-2011-3208

Stack-based buffer overflow in the split_wildmats function in nntpd.c in nntpd in Cyrus IMAP Server before 2.3.17 and 2.4.x before 2.4.11 allows remote attackers to execute arbitrary code via a crafted NNTP command.

Published: 2011-09-14 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-3208 is rated Moderate Risk (64.1/100): CVSS High severity, with high exploitation likelihood (EPSS 9.85%, 93th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.56% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-3208

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-16 8.29% 9.85% +1.56%
2 2025-03-30 14.08% 8.29% -5.79%
3 2025-03-29 — 14.08% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3208

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2011-3208

OS Trackers for CVE-2011-3208

vendor priority summary link
gentoo high CVE-2011-3208: 1 GLSA(s) (201110-16), 1 atom(s) (net-mail/cyrus-imapd); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3208
redhat high — https://access.redhat.com/security/cve/CVE-2011-3208
ubuntu medium CVE-2011-3208 medium priority: Ubuntu including 3 source packages (cyrus-imapd-2.2, cyrus-imapd-2.4, kolab-cyrus-imapd), 51 status rows across 17 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 25, ignored 13, not-affected 8, released 3, needs-triage 2. https://ubuntu.com/security/CVE-2011-3208

Affected software / configurations for CVE-2011-3208

Vendor Product Version Raw CPE
cmu cyrus_imap_server <= 2.3.16 cpe:2.3:a:cmu:cyrus_imap_server:*:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.0.17 cpe:2.3:a:cmu:cyrus_imap_server:2.0.17:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.1.16 cpe:2.3:a:cmu:cyrus_imap_server:2.1.16:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.1.17 cpe:2.3:a:cmu:cyrus_imap_server:2.1.17:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.1.18 cpe:2.3:a:cmu:cyrus_imap_server:2.1.18:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.2.8 cpe:2.3:a:cmu:cyrus_imap_server:2.2.8:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.2.9 cpe:2.3:a:cmu:cyrus_imap_server:2.2.9:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.2.10 cpe:2.3:a:cmu:cyrus_imap_server:2.2.10:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.2.11 cpe:2.3:a:cmu:cyrus_imap_server:2.2.11:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.2.12 cpe:2.3:a:cmu:cyrus_imap_server:2.2.12:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.2.13 cpe:2.3:a:cmu:cyrus_imap_server:2.2.13:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.2.13p1 cpe:2.3:a:cmu:cyrus_imap_server:2.2.13p1:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.2.14 cpe:2.3:a:cmu:cyrus_imap_server:2.2.14:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.0 cpe:2.3:a:cmu:cyrus_imap_server:2.3.0:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.1 cpe:2.3:a:cmu:cyrus_imap_server:2.3.1:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.2 cpe:2.3:a:cmu:cyrus_imap_server:2.3.2:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.3 cpe:2.3:a:cmu:cyrus_imap_server:2.3.3:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.4 cpe:2.3:a:cmu:cyrus_imap_server:2.3.4:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.5 cpe:2.3:a:cmu:cyrus_imap_server:2.3.5:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.6 cpe:2.3:a:cmu:cyrus_imap_server:2.3.6:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.7 cpe:2.3:a:cmu:cyrus_imap_server:2.3.7:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.8 cpe:2.3:a:cmu:cyrus_imap_server:2.3.8:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.9 cpe:2.3:a:cmu:cyrus_imap_server:2.3.9:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.10 cpe:2.3:a:cmu:cyrus_imap_server:2.3.10:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.11 cpe:2.3:a:cmu:cyrus_imap_server:2.3.11:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.12 cpe:2.3:a:cmu:cyrus_imap_server:2.3.12:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.13 cpe:2.3:a:cmu:cyrus_imap_server:2.3.13:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.14 cpe:2.3:a:cmu:cyrus_imap_server:2.3.14:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.3.15 cpe:2.3:a:cmu:cyrus_imap_server:2.3.15:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.0 cpe:2.3:a:cmu:cyrus_imap_server:2.4.0:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.1 cpe:2.3:a:cmu:cyrus_imap_server:2.4.1:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.2 cpe:2.3:a:cmu:cyrus_imap_server:2.4.2:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.3 cpe:2.3:a:cmu:cyrus_imap_server:2.4.3:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.4 cpe:2.3:a:cmu:cyrus_imap_server:2.4.4:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.5 cpe:2.3:a:cmu:cyrus_imap_server:2.4.5:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.6 cpe:2.3:a:cmu:cyrus_imap_server:2.4.6:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.7 cpe:2.3:a:cmu:cyrus_imap_server:2.4.7:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.8 cpe:2.3:a:cmu:cyrus_imap_server:2.4.8:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.9 cpe:2.3:a:cmu:cyrus_imap_server:2.4.9:*:*:*:*:*:*:*
cmu cyrus_imap_server 2.4.10 cpe:2.3:a:cmu:cyrus_imap_server:2.4.10:*:*:*:*:*:*:*

References for CVE-2011-3208

URL Tags
http://asg.andrew.cmu.edu/archive/message.php?mailbox=archive.cyrus-announce&msg=199
http://asg.andrew.cmu.edu/archive/message.php?mailbox=archive.cyrus-announce&msg=200
http://git.cyrusimap.org/cyrus-imapd/commit/?id=0f8f026699829b65733c3081657b24e2174f4f4d Patch
http://git.cyrusimap.org/cyrus-imapd/commit/?id=3244c18c928fa331f6927e2b8146abe90feafddd Patch
http://lists.opensuse.org/opensuse-updates/2011-09/msg00019.html
http://secunia.com/advisories/45938 Vendor Advisory
http://secunia.com/advisories/45975 Vendor Advisory
http://secunia.com/advisories/46064 Vendor Advisory
http://securitytracker.com/id?1026031
http://www.debian.org/security/2011/dsa-2318
http://www.mandriva.com/security/advisories?name=MDVSA-2011:149
http://www.osvdb.org/75307
http://www.redhat.com/support/errata/RHSA-2011-1317.html
http://www.securityfocus.com/bid/49534
https://bugzilla.redhat.com/show_bug.cgi?id=734926 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/69679
https://hermes.opensuse.org/messages/11723935
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