CVE-2021-37845
Severity Score
3.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
An issue was discovered in Citadel through webcit-932. A meddler-in-the-middle attacker can fixate their own session during the cleartext phase before a STARTTLS command (a violation of "The STARTTLS command is only valid in non-authenticated state." in RFC2595). This potentially allows an attacker to cause a victim's e-mail messages to be stored into an attacker's IMAP mailbox, but depends on details of the victim's client behavior.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-08-02 CVE Reserved
- 2023-05-29 CVE Published
- 2025-01-14 CVE Updated
- 2025-01-14 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| http://uncensored.citadel.org/dotgoto?room=Citadel%20Security | Issue Tracking | |
| https://nostarttls.secvuln.info | Broken Link |
| URL | Date | SRC |
|---|---|---|
| https://uncensored.citadel.org/msg/2099264259 | 2025-01-14 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|