VulnerabilityModified
CVE-2021-33577
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.
MEDIUM 5.3EPSS 0.58%
Does this matter?
Lower severity and a low EPSS score (0.58%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 0.58% probability · 46th percentile
- CISA KEV
- Not listed
- Affected
- cleo/lexicom
- Source
- cve@mitre.org
References
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.mdExploit, Third Party Advisory
- https://www.cleo.com/cleo-lexicomProduct
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.mdExploit, Third Party Advisory
- https://www.cleo.com/cleo-lexicomProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.