No exploitation reported

CVE-2021-43360

No exploitation reported by the sources we read.

Published2021-12-01
WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Sunnet eHRD e-mail delivery task schedule’s serialization function has inadequate input object validation and restriction, which allows a post-authenticated remote attacker with database access privilege, to execute arbitrary code and control the system or interrupt services.

Timeline

dates in UTC

2021-12-0102:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-43360?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-43360?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Sun ehrd

Branch	Affected	Fixed in	Source
8.x	= 8	no fix published	NVD
9.x	= 9	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.18.8read 2026-10-23
NVDCVSS 2.09read 2026-10-23
CNAweakness (CWE)CWE-502read 2026-10-23
FIRST EPSSEPSS score2.4 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2021-12-01
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-43360?

Is CVE-2021-43360 actively exploited?

Active exploitation of CVE-2021-43360 has not been confirmed. Its EPSS score was 2.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43360?

CVE-2021-43360 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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