NULL pointer dereference in Znc
CVE-2020-13775
ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Znc — versions 1.8.0
- Fedoraproject Fedora — versions 31, 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8 (Patch, Third Party Advisory)
- github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2020-13775?
- CVE-2020-13775 is a medium-severity vulnerability in Znc, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2020-06-02.
- How severe is CVE-2020-13775?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-13775 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.