CVE-2020-28196
moderate-risk
Published 2020-11-06
MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit.
Do I need to act?
~
1.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (12)
Affected Vendors
References (28)
Third Party Advisory
https://security.gentoo.org/glsa/202011-17
Third Party Advisory
https://security.netapp.com/advisory/ntap-20201202-0001/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210513-0002/
Third Party Advisory
https://www.debian.org/security/2020/dsa-4795
and 8 more references
47
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
4/34 · Minimal
Exposure
17/34 · Moderate