CVE-2011-3372: cyrus imapd Improper Authentication
CVSS: 7.5v2.0HighModified
Published 24-12-2011Last modified 17-09-2024
Vulnerability summary
CVE-2011-3372 is a high (CVSS 7.5) Improper Authentication vulnerability in cyrus imapd. EPSS estimates a 3.29% chance of exploitation in the next 30 days, higher than 88.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v2.0 (NVD)EPSS score
3.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 24-12-2011PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
imap/nntpd.c in the NNTP server (nntpd) for Cyrus IMAPd 2.4.x before 2.4.12 allows remote attackers to bypass authentication by sending an AUTHINFO USER command without sending an additional AUTHINFO PASS command.
CVSS metrics
1 score · 1 source · 1 versionHigh 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.29%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.29% on 20-09-2026
20-09-202620-10-2026
EPSS score3.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cyrus1 product
- imapd≤ 2.4.11
1 vendor · 1 product
References
9 links- cyrusimap.org/mediawiki/index.php/Latest_UpdatesX Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=740822X Refsource CONFIRM