CVE-2011-1720

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

21.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 97.4% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Modified. NVD last modified this record on 2026-06-16.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2011-05-13 17:00Z15 YR AGO

Last updated

2024-08-06 22:37Z2 YR AGO

Reserved

2011-04-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

0b6f6b6aa2879d859b1a0215ea8a20c6f8417c505a94a1c34e3d288270a12abf

• www.securityfocus.com20110509 Memory corruption in Postfix SMTP server Cyrus SASL support (CVE-2011-1720)http://www.securityfocus.com/archive/1/517917/100/0/threadedmailing-listx_refsource_BUGTRAQ
• www.postfix.orghttp://www.postfix.org/CVE-2011-1720.htmlx_refsource_CONFIRM
• secunia.com44500http://secunia.com/advisories/44500third-party-advisoryx_refsource_SECUNIA
• www.securityfocus.com47778http://www.securityfocus.com/bid/47778vdb-entryx_refsource_BID
• security.gentoo.orgGLSA-201206-33http://security.gentoo.org/glsa/glsa-201206-33.xmlvendor-advisoryx_refsource_GENTOO
• www.osvdb.org72259http://www.osvdb.org/72259vdb-entryx_refsource_OSVDB
• www.kb.cert.orgVU#727230http://www.kb.cert.org/vuls/id/727230third-party-advisoryx_refsource_CERT-VN
• www.securitytracker.com1025521http://www.securitytracker.com/id?1025521vdb-entryx_refsource_SECTRACK
• www.mail-archive.com[postfix-announce] 20110509 Memory corruption in Postfix SMTP server Cyrus SASL support (CVE-2011-1720)http://www.mail-archive.com/postfix-announce%40postfix.org/msg00007.htmlmailing-listx_refsource_MLIST
• www.postfix.orghttp://www.postfix.org/announcements/postfix-2.8.3.htmlx_refsource_CONFIRM
• securityreason.com8247http://securityreason.com/securityalert/8247third-party-advisoryx_refsource_SREASON
• lists.opensuse.orgSUSE-SA:2011:023http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00002.htmlvendor-advisoryx_refsource_SUSE
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=699035x_refsource_CONFIRM
• www.mandriva.comMDVSA-2011:090http://www.mandriva.com/security/advisories?name=MDVSA-2011:090vendor-advisoryx_refsource_MANDRIVA
• kb.juniper.nethttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705x_refsource_CONFIRM
• www.debian.orgDSA-2233http://www.debian.org/security/2011/dsa-2233vendor-advisoryx_refsource_DEBIAN
• www.ubuntu.comUSN-1131-1http://www.ubuntu.com/usn/usn-1131-1vendor-advisoryx_refsource_UBUNTU
• exchange.xforce.ibmcloud.compostfix-cyrus-sasl-code-exec(67359)https://exchange.xforce.ibmcloud.com/vulnerabilities/67359vdb-entryx_refsource_XF