TI-2020-17741 Aliases CVE-2020-29547 GHSA-xhj4-5383-37r2

An issue was discovered in Citadel through webcit-926.

LOW 28CWE-77Published 2023-05-29 · Updated 2025-01-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-77.

Summary

An issue was discovered in Citadel through webcit-926. Meddler-in-the-middle attackers can pipeline commands after POP3 STLS, IMAP STARTTLS, or SMTP STARTTLS commands, injecting cleartext commands into an encrypted user session. This can lead to credential disclosure.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00753 55th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:citadel:webcit::::::::	up to 926	Vulnerable	Citadel

cpe:2.3:a:citadel:webcit:*:*:*:*:*:*:*:* Versions up to 926 Vulnerable ·Citadel

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-29547
2026-10-03 Alias added: GHSA-xhj4-5383-37r2

References

Advisory 1

http://uncensored.citadel.org/msg/4576039

Other 1

http://uncensored.citadel.org/dotgoto?room=Citadel%20Security

TI-2020-16824 A Weak Session Management vulnerability in Citadel WebCit through 926 allows… CVSS 3.1CRITICAL 9.8
TI-2009-00344 Format string vulnerability in the mini_calendar component in Citadel.org WebCit 7.22… CVSS 2.0HIGH 7.5
TI-2007-03705 Cross-site request forgery (CSRF) vulnerability in Webcit before 7.11 allows remote… CVSS 2.0HIGH 7.5
TI-2020-16827 An Insecure Direct Object Reference vulnerability in Citadel WebCit through 926 allows… CVSS 3.1MEDIUM 6.5
TI-2020-16826 Multiple cross-site scripting (XSS) vulnerabilities in Citadel WebCit through 926 allow… CVSS 3.1MEDIUM 6.1
TI-2020-16825 Citadel WebCit through 926 allows unauthenticated remote attackers to enumerate valid… CVSS 3.1MEDIUM 5.3

See all 8 →

Sources

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