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CVE-2023-23917

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an...

8.8 High

CVE-2023-23917 is a high vulnerability (CVSS 8.8) in Rocket.chat, published February 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. No source names a fixed version.

What does this mean?
Severity
8.8 HighCVSS 3.1, NVD
Exploit chance
0.98%EPSS, 62nd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an attacker to a RCE under the admin account. Any user can create their own server in your cloud and become an admin so this vulnerability could affect the cloud infrastructure. This attack vector also may increase the impact of XSS to RCE which is dangerous for self-hosted users as well.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.98%Up 0.1 points since Feb 24, 2023
90%50%10%1%

Affected products

What each source reports

NVD Score used8.8

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an attacker to a RCE under the admin account. Any user can create their own server in your cloud and become an admin so this vulnerability could affect the cloud infrastructure. This attack vector also may increase the impact of XSS to RCE which is dangerous for self-hosted users as well.

Record
CVE-2023-23917
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-77, CWE-1321
Updated
2026-11-02
CVE List8.8

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an attacker to a RCE under the admin account. Any user can create their own server in your cloud and become an admin so this vulnerability could affect the cloud infrastructure. This attack vector also may increase the impact of XSS to RCE which is dangerous for self-hosted users as well.

Record
CVE-2023-23917
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-77, CWE-1321
Updated
2026-11-02
EUVDEUVD-2023-279998.8

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an attacker to a RCE under the admin account. Any user can create their own server in your cloud and become an admin so this vulnerability could affect the cloud infrastructure. This attack vector also may increase the impact of XSS to RCE which is dangerous for self-hosted users as well.

Record
EUVD-2023-27999
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-rqhx-wx74-955g8.8

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an...

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an attacker to a RCE under the admin account. Any user can create their own server in your cloud and become an admin so this vulnerability could affect the cloud infrastructure. This attack vector also may increase the impact of XSS to RCE which is dangerous for self-hosted users as well.

Record
GHSA-rqhx-wx74-955g
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-77, CWE-1321
Updated
2026-11-02
OSV8.8

A prototype pollution vulnerability exists in Rocket.Chat server <5.2.0 that could allow an attacker to a RCE under the admin account. Any user can create their own server in your cloud and become an admin so this vulnerability could affect the cloud infrastructure. This attack vector also may increase the impact of XSS to RCE which is dangerous for self-hosted users as well.

Record
CVE-2023-23917
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-77
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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