How severe is CVE-2020-22402?

CVE-2020-22402 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-22402 being actively exploited?

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

What products are affected by CVE-2020-22402?

CVE-2020-22402 affects Alinto Sogo Web Mail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-22402?

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

When was CVE-2020-22402 published?

CVE-2020-22402 was published on 2023-06-14 and last updated on 2026-06-17.

CVE-2020-22402

CVE-2020-22402 is a medium-severity vulnerability in Alinto Sogo Web Mail with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Alinto Sogo Web Mail
Published: 2023-06-14
Last modified: 2026-06-17

Description

Cross Site Scripting (XSS) vulnerability in SOGo Web Mail before 4.3.1 allows attackers to obtain user sensitive information when a user reads an email containing malicious code.

Frequently asked questions

What is CVE-2020-22402?: Cross Site Scripting (XSS) vulnerability in SOGo Web Mail before 4.3.1 allows attackers to obtain user sensitive information when a user reads an email containing malicious code.
How severe is CVE-2020-22402?: CVE-2020-22402 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-22402 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-22402?: CVE-2020-22402 affects Alinto Sogo Web Mail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-22402?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-22402 published?: CVE-2020-22402 was published on 2023-06-14 and last updated on 2026-06-17.

References

https://sogo.nu/bugs/view.php?id=4979

Affected products (1)

cpe:2.3:a:alinto:sogo_web_mail:*:*:*:*:*:*:*:*

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →