CVE-2021-34825

CVE-2021-34825 is a high-severity vulnerability in Quassel-irc Quassel with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Description

Quassel through 0.13.1, when --require-ssl is enabled, launches without SSL or TLS support if a usable X.509 certificate is not found on the local system.

Frequently asked questions

What is CVE-2021-34825?
Quassel through 0.13.1, when --require-ssl is enabled, launches without SSL or TLS support if a usable X.509 certificate is not found on the local system.
How severe is CVE-2021-34825?
CVE-2021-34825 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-34825 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34825?
CVE-2021-34825 primarily affects Quassel-irc Quassel. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-34825?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-34825 published?
CVE-2021-34825 was published on 2021-06-17 and last updated on 2026-06-17.

References

Affected products (3)

More vulnerabilities in Quassel-irc Quassel

All CVEs affecting Quassel-irc Quassel →

Other CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities

Browse all CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities →