CVSS v3
8.8
HIGH
EPSS Score
72.2%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
lfs/backup in IPFire 2.25-core155 does not ensure that /var/ipfire/backup/bin/backup.pl is owned by the root account. It might be owned by an unprivileged account, which could potentially be used to install a Trojan horse backup.pl script that is later executed by root. Similar problems with the ownership/permissions of other files may be present as well.
lfs/backup in IPFire 2.25-core155 does not ensure that /var/ipfire/backup/bin/backup.pl is owned by the root account. It might be owned by an unprivileged account, which could potentially be used to install a Trojan horse backup.pl script that is later executed by root. Similar problems with the ownership/permissions of other files may be present as well.
Active exploitation of CVE-2021-33393 has not been confirmed. The EPSS score is 72.2%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-33393 has a CVSS v3 base score of 8.8 (HIGH severity).
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
Ranked by exploit probability (EPSS).