Security Vulnerabilities
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to hide security tags from users by crafting a long subject.
CVSS Score
5.3
EPSS Score
0.001
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own.
CVSS Score
6.3
EPSS Score
0.0
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows account takeover by abusing GINA account initialization to reset a victim account password.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to cause attacker-controlled certificates to be used for future encryption to a victim by adding the certificates to S/MIME signatures.
CVSS Score
7.7
EPSS Score
0.0
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].
CVSS Score
7.7
EPSS Score
0.001
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to forge a GINA-encrypted email.
CVSS Score
6.3
EPSS Score
0.0
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users.
CVSS Score
4.9
EPSS Score
0.0
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker with access to a victim's GINA account to bypass a second-password check and read protected emails.
CVSS Score
6.3
EPSS Score
0.0
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to upload PGP keys with UIDs that do not match their email address.
CVSS Score
5.3
EPSS Score
0.001
Published
2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows an external user to modify GINA webdomain metadata and bypass per-domain restrictions.
CVSS Score
5.3
EPSS Score
0.001
Published
2026-04-02