What is CVE-2020-28012?

CVE-2020-28012 is a high-severity vulnerability in Exim. CVSS score: 7.8/10. Published 2021-05-06.

How severe is CVE-2020-28012?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-28012 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Exim

CVE-2020-28012

Exim 4 before 4.94.2 allows Exposure of File Descriptor to Unintended Control Sphere because rda_interpret uses a privileged pipe that lacks a close-on-exec flag.

EPSS: 0.004 (32.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Exim
N/a — versions n/a

Public proof-of-concept exploits

ARPSyndicate/cvemon
SashaPaladin/go-grpc-nmap-vulners

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-28012?: CVE-2020-28012 is a high-severity vulnerability in Exim. CVSS score: 7.8/10. Published 2021-05-06.
How severe is CVE-2020-28012?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-28012 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.