What is CVE-2013-7098?

CVE-2013-7098 is a critical-severity vulnerability in Infradead Openconnect, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-13.

How severe is CVE-2013-7098?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Infradead Openconnect

CVE-2013-7098

OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.

Vulnerability class: Buffer Overflow

Published 2020-02-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (74.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Infradead Openconnect

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.infradead.org/openconnect/changelog.html (Vendor Advisory)

Frequently asked questions

What is CVE-2013-7098?: CVE-2013-7098 is a critical-severity vulnerability in Infradead Openconnect, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-13.
How severe is CVE-2013-7098?: Critical severity. CVSS v3 base score is 9.8 out of 10.