// For flags

CVE-2006-1721

cyrus-sasl digest-md5 DoS

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

digestmd5.c in the CMU Cyrus Simple Authentication and Security Layer (SASL) library 2.1.18, and possibly other versions before 2.1.21, allows remote unauthenticated attackers to cause a denial of service (segmentation fault) via malformed inputs in DIGEST-MD5 negotiation.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2006-04-11 CVE Reserved
  • 2006-04-11 CVE Published
  • 2024-08-07 CVE Updated
  • 2025-05-05 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
References (36)
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cyrus
Search vendor "Cyrus"
Sasl
Search vendor "Cyrus" for product "Sasl"
2.1.18
Search vendor "Cyrus" for product "Sasl" and version "2.1.18"
-
Affected
Cyrus
Search vendor "Cyrus"
Sasl
Search vendor "Cyrus" for product "Sasl"
2.1.18_r1
Search vendor "Cyrus" for product "Sasl" and version "2.1.18_r1"
-
Affected
Cyrus
Search vendor "Cyrus"
Sasl
Search vendor "Cyrus" for product "Sasl"
2.1.18_r2
Search vendor "Cyrus" for product "Sasl" and version "2.1.18_r2"
-
Affected
Cyrus
Search vendor "Cyrus"
Sasl
Search vendor "Cyrus" for product "Sasl"
2.1.19
Search vendor "Cyrus" for product "Sasl" and version "2.1.19"
-
Affected
Cyrus
Search vendor "Cyrus"
Sasl
Search vendor "Cyrus" for product "Sasl"
2.1.20
Search vendor "Cyrus" for product "Sasl" and version "2.1.20"
-
Affected