CVE-2020-27739 json
A Weak Session Management vulnerability in Citadel WebCit through 926 allows unauthenticated remote attackers to hijack recently logged-in…
published 2020-10-28 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20243
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- uncensored.citadel.org http://uncensored.citadel.org/readfwd?go=Citadel%20Security?start_reading_at=4592834 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
References
-
uncensored.citadel.org
/readfwd?go=Citadel%20Security?start_reading_at=4592834
exploit, vendor-advisory
-
citadel.org
/
vendor-advisory
Sources
- CVE List CVE-2020-27739
- NVD CVE-2020-27739
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