How severe is CVE-2023-28316?

CVE-2023-28316 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-28316 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28316?

CVE-2023-28316 affects Rocket.chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28316?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-28316 published?

CVE-2023-28316 was published on 2023-05-09 and last updated on 2026-06-17.

CVE-2023-28316

CVE-2023-28316 is a critical-severity vulnerability in Rocket.chat with a CVSS 3.x base score of 9.8. 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-384.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Rocket.chat
Published: 2023-05-09
Last modified: 2026-06-17

Description

A security vulnerability has been discovered in the implementation of 2FA on the rocket.chat platform, where other active sessions are not invalidated upon activating 2FA. This could potentially allow an attacker to maintain access to a compromised account even after 2FA is enabled.

Frequently asked questions

What is CVE-2023-28316?: A security vulnerability has been discovered in the implementation of 2FA on the rocket.chat platform, where other active sessions are not invalidated upon activating 2FA. This could potentially allow an attacker to maintain access to a compromised account even after 2FA is enabled.
How severe is CVE-2023-28316?: CVE-2023-28316 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-28316 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28316?: CVE-2023-28316 affects Rocket.chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28316?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-28316 published?: CVE-2023-28316 was published on 2023-05-09 and last updated on 2026-06-17.

References

https://hackerone.com/reports/992280

Affected products (1)

cpe:2.3:a:rocket.chat:rocket.chat:-:*:*:*:*:*:*:*

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