Vulnerability in N/a
CVE-2020-7247
smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM f…
EPSS: 0.941 (99.9th percentile) — read the EPSS interpretation.
Affected products
- N/a — versions n/a
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- www.openbsd.org/security.html (x_refsource_CONFIRM)
- www.openwall.com/lists/oss-security/2020/01/28/3 (x_refsource_MISC)
- github.com/openbsd/src/commit/9dcfda045474d8903224d175907bfc29761dcb45 (x_refsource_CONFIRM)
- packetstormsecurity.com/files/156137/OpenBSD-OpenSMTPD-Privilege-Escalation-Cod… (x_refsource_MISC)
- 20200129 [SECURITY] [DSA 4611-1] opensmtpd security update (mailing-list, x_refsource_BUGTRAQ)
- DSA-4611 (vendor-advisory, x_refsource_DEBIAN)
- packetstormsecurity.com/files/156145/OpenSMTPD-6.6.2-Remote-Code-Execution.html (x_refsource_MISC)
- VU#390745 (third-party-advisory, x_refsource_CERT-VN)
- 20200131 LPE and RCE in OpenSMTPD (CVE-2020-7247) (mailing-list, x_refsource_FULLDISC)
- packetstormsecurity.com/files/156249/OpenSMTPD-MAIL-FROM-Remote-Code-Execution… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-7247?
- CVE-2020-7247 is a vulnerability in N/a. Published 2020-01-29.
- Is CVE-2020-7247 known to be exploited?
- Yes. CVE-2020-7247 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 49 public proof-of-concept repositories are indexed.