Vulnerability Name: | CVE-2020-28018 (CCN-201191) | ||||||||||||||||||||||||||||||||||||||||||||||||
Assigned: | 2020-10-30 | ||||||||||||||||||||||||||||||||||||||||||||||||
Published: | 2021-05-04 | ||||||||||||||||||||||||||||||||||||||||||||||||
Updated: | 2021-05-26 | ||||||||||||||||||||||||||||||||||||||||||||||||
Summary: | Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL. | ||||||||||||||||||||||||||||||||||||||||||||||||
CVSS v3 Severity: | 9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) 8.6 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:U/RC:R)
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CVSS v2 Severity: | 7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
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Vulnerability Type: | CWE-416 | ||||||||||||||||||||||||||||||||||||||||||||||||
Vulnerability Consequences: | Bypass Security | ||||||||||||||||||||||||||||||||||||||||||||||||
References: | Source: MITRE Type: CNA CVE-2020-28018 Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210511 Re: [CVE-2020-28018] Use-After-Free on Exim Question Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210511 Re: [CVE-2020-28018] Use-After-Free on Exim Question Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210511 Re: [CVE-2020-28018] Use-After-Free on Exim Question Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210511 [CVE-2020-28018] Use-After-Free on Exim Question Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210511 Re: [CVE-2020-28018] Use-After-Free on Exim Question Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210512 Re: [CVE-2020-28018] Use-After-Free on Exim Question Source: MLIST Type: Mailing List, Third Party Advisory [oss-security] 20210512 Re: [CVE-2020-28018] Use-After-Free on Exim Question Source: XF Type: UNKNOWN exim-cve202028018-sec-bypass(201191) Source: CCN Type: oss-sec Mailing List, Tue, 4 May 2021 13:50:13 +0000 21Nails: Multiple vulnerabilities in Exim Source: CCN Type: Exim Web site Exim Source: MISC Type: Vendor Advisory https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28018-OCORK.txt | ||||||||||||||||||||||||||||||||||||||||||||||||
Vulnerable Configuration: | Configuration 1: Configuration CCN 1: Denotes that component is vulnerable | ||||||||||||||||||||||||||||||||||||||||||||||||
Oval Definitions | |||||||||||||||||||||||||||||||||||||||||||||||||
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