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Fencer Intel
medium 5.9

CVE-2020-13614 json

An issue was discovered in ssl.c in Axel before 2.17.8.

published 6y ago modified 4mo ago also EUVD-2020-5859

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

An issue was discovered in ssl.c in Axel before 2.17.8. The TLS implementation lacks hostname verification.

Patch / fix

  • axel_project axel 2.17.8
  • axel Debian 14, Debian 13, Debian 12 2.17.8-1

debian advisories DEBIAN-CVE-2020-13614

  • axel Ubuntu Pro 18.04 LTS 2.16.1-1ubuntu0.1~esm1
  • axel Ubuntu Pro 20.04 LTS 2.17.5-1ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2020-13614

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • axel openSUSE Tumbleweed 2.17.10-1.6
  • axel Package Hub 15 SP1 2.17.8-bp151.4.3.1
  • axel openSUSE Leap 15.1 2.17.8-lp151.3.3.1

opensuse advisories openSUSE-SU-2024:10645-1openSUSE-SU-2020:0785-1openSUSE-SU-2020:0778-1

  • axel Alpine 3.10 2.17.3-r1
  • axel Alpine 3.11 2.17.6-r1
  • axel Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 2.17.8-r0
  • axel Alpine 3.9 2.16.1-r3

alpine advisories ALPINE-CVE-2020-13614

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2020-13614 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-13614 updated cvss 5.9

axel: TLS implementation lacks hostname verification leading to possible confidentiality breach

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/axel-download-accelerator/axel/issues/262 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.