Vulnerability in Openfortivpn Project
CVE-2020-7042
An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because the hostname check operates on uninitialized memory. The outcome is that a valid certificate is never accepted (only a malformed certificate may be accepted).
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Openfortivpn Project
- OpenSSL
- Fedoraproject Fedora — versions 30, 31, 32
- openSUSE Backports Sle — versions 15.0
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/adrienverge/openfortivpn/issues/536 (Third Party Advisory, Issue Tracking)
- github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6… (Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html (vendor-advisory, Mailing List, 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)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- github.com/adrienverge/openfortivpn/commit/9eee997d599a89492281fc7ffdd79d88cd61… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7042?
- CVE-2020-7042 is a medium-severity vulnerability in Openfortivpn Project, classified under Improper Certificate Validation. CVSS score: 5.3/10. Published 2020-02-27.
- How severe is CVE-2020-7042?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-7042 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.