CVE-2021-33577
Last modified
CVE-2021-33577 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cleo | Lexicom | 5.5.0.0 |
References
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.mdExploit, Third Party Advisory
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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