CVE-2011-3208

Cyrus Imap Server vulnerability

CVSS

7.5

EPSS

5.4%

EPSS pct

92th

Exploited

No known

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.

Affected vendor

Cmu

Affected product

Cyrus Imap Server

CVSS vector

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

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2011-09-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 5.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2011-3208

Confirm whether Cmu Cyrus Imap Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-3208.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-3208

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-3208 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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