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CVE-2021-20876

MEDIUMCVSS 6.8/10EPSS 1.03%

Last modified

CVE-2021-20876 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Path traversal vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows an attacker with an administrative privilege to obtain sensitive information stored in the hierarchy above the directory on the published site's server via unspecified vectors.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

Path traversal vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows an attacker with an administrative privilege to obtain sensitive information stored in the hierarchy above the directory on the published site's server via unspecified vectors.

Metrics

CVSS 3.1
6.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

EPSS Probability
1.03%

59.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GroupsessionGroupsession<= 5.1.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-20876?
Path traversal vulnerability in GroupSession Free edition ver5.1.1 and earlier, GroupSession byCloud ver5.1.1 and earlier, and GroupSession ZION ver5.1.1 and earlier allows an attacker with an administrative privilege to obtain sensitive information stored in the hierarchy above the directory on the published site's server via unspecified vectors.
How severe is CVE-2021-20876?
CVE-2021-20876 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20876?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20876?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST