CVE-2023-30729: Improper Certificate Validation in Samsung Email prior to version 6.1.82.0 allows remote attacker to intercept

Q: How do I fix CVE-2023-30729?

email: upgrade to 6.1.82.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-30729 being exploited?

CVE-2023-30729 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-30729 affect?

CVE-2023-30729 affects email. Severity is high (CVSS 8.1). Improper Certificate Validation in Samsung Email prior to version 6.1.82.0 allows remote attacker to intercept the network traffic including sensitive information.

Q: How urgent is CVE-2023-30729?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.1REMOTEUPGRADE

CVE-2023-30729 is a high-severity flaw (CVSS 8.1) affecting email. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Certificate Validation in Samsung Email prior to version 6.1.82.0 allows remote attacker to intercept the network traffic including sensitive information.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-295
Published	2023-09-06
Last modified	2026-06-17

Publisher (CNA): Samsung Mobile · Vendor: samsung

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-09-06 04:15 UTCPublished CVE record published
2026-06-17 05:55 UTCUpdated Record last modified

samsung email UPGRADE

Affected: < 6.1.82.0

Fixed in: 6.1.82.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy email || rpm -q email || email --version

2. UPGRADE to 6.1.82.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade email

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade email

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-30729?

email: upgrade to 6.1.82.0. Exact commands for each OS are on this page.

Is CVE-2023-30729 being exploited?

CVE-2023-30729 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-30729 affect?

CVE-2023-30729 affects email. Severity is high (CVSS 8.1). Improper Certificate Validation in Samsung Email prior to version 6.1.82.0 allows remote attacker to intercept the network traffic including sensitive information.

How urgent is CVE-2023-30729?

Priority 42/100. High severity; Remotely exploitable, no login, no user action

Software pages

Samsung vulnerabilities

Related CVEs

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CVE-2024-20867 MEDIUM 5.5 UPGRADE Improper privilege management vulnerability in Samsung Email prior to version 6.1.91.14 allows local attackers
CVE-2024-20807 LOW 3.3 UPGRADE Implicit intent hijacking vulnerability in Samsung Email prior to version 6.1.90.16 allows local attacker to g
CVE-2023-42553 MEDIUM 4.0 UPGRADE Improper authorization verification vulnerability in Samsung Email prior to version 6.1.90.4 allows attackers

References

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