Vulnerability Details : CVE-2021-33577
Potential exploit
An issue was discovered in Cleo LexiCom 5.5.0.0. The requirement for the sender of an AS2 message to identify themselves (via encryption and signing of the message) can be bypassed by changing the Content-Type of the message to text/plain.
Products affected by CVE-2021-33577
- cpe:2.3:a:cleo:lexicom:5.5.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33577
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33577
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
References for CVE-2021-33577
-
https://www.cleo.com/cleo-lexicom
Secure File Transfer Client Software | Cleo LexiCom® | CleoProduct
-
https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.md
advisories/ATREDIS-2020-0011.md at master · atredispartners/advisories · GitHubExploit;Third Party Advisory
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