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CVE-2020-27739

CRITICALCVSS 9.8/10EPSS 1.81%

Last modified

CVE-2020-27739 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A Weak Session Management vulnerability in Citadel WebCit through 926 allows unauthenticated remote attackers to hijack recently logged-in users' sessions. NOTE: this was reported to the vendor in a publicly archived "Multiple Security Vulnerabilities in WebCit 926" thread.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

A Weak Session Management vulnerability in Citadel WebCit through 926 allows unauthenticated remote attackers to hijack recently logged-in users' sessions. NOTE: this was reported to the vendor in a publicly archived "Multiple Security Vulnerabilities in WebCit 926" thread.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CitadelWebcit<= 926

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-27739?
A Weak Session Management vulnerability in Citadel WebCit through 926 allows unauthenticated remote attackers to hijack recently logged-in users' sessions. NOTE: this was reported to the vendor in a publicly archived "Multiple Security Vulnerabilities in WebCit 926" thread.
How severe is CVE-2020-27739?
CVE-2020-27739 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27739?
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-2020-27739?

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

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Source: NVD / NIST