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HIGH

CVE-2020-12783

CVSS v3

7.5

HIGH

EPSS Score

1.4 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.

Technical details

Published
2020-05-11

Frequently asked questions

What is CVE-2020-12783?

Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.

Is CVE-2020-12783 actively exploited?

Active exploitation of CVE-2020-12783 has not been confirmed. The EPSS score is 1.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-12783?

CVE-2020-12783 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-12783 affecting your environment?

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