How severe is CVE-2022-28218?

CVE-2022-28218 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-28218 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28218?

CVE-2022-28218 affects Ciphermail Webmail Messenger. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28218?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-28218 published?

CVE-2022-28218 was published on 2022-04-26 and last updated on 2026-06-17.

CVE-2022-28218

CVE-2022-28218 is a medium-severity vulnerability in Ciphermail Webmail Messenger with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Ciphermail Webmail Messenger
Published: 2022-04-26
Last modified: 2026-06-17

Description

An issue was discovered in CipherMail Webmail Messenger 1.1.1 through 4.1.4. A local attacker could access secret keys (found in a Roundcube configuration file) that are used to protect Webmail user passwords and two-factor authentication (2FA).

Frequently asked questions

What is CVE-2022-28218?: An issue was discovered in CipherMail Webmail Messenger 1.1.1 through 4.1.4. A local attacker could access secret keys (found in a Roundcube configuration file) that are used to protect Webmail user passwords and two-factor authentication (2FA).
How severe is CVE-2022-28218?: CVE-2022-28218 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-28218 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28218?: CVE-2022-28218 affects Ciphermail Webmail Messenger. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28218?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-28218 published?: CVE-2022-28218 was published on 2022-04-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ciphermail:webmail_messenger:*:*:*:*:*:*:*:*

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