CVE-2019-14855

HIGH EPSS 60.0%
Published Mar 20, 20206y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Mar 20, 2020 6y ago
Last Modified Jun 17, 2026 2w ago

Description

A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
60.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-326

Affected Products 4

VendorProductVersionRange
gnupggnupg* <2.2.18
fedoraprojectfedora30any
fedoraprojectfedora31any
canonicalubuntu_linux18.04any

References 5

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855
    Issue TrackingThird Party Advisory
  • dev.gnupg.org https://dev.gnupg.org/T4755
    Vendor Advisory
  • lists.gnupg.org https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html
    Mailing ListRelease NotesVendor Advisory
  • rwc.iacr.org https://rwc.iacr.org/2020/slides/Leurent.pdf
    ExploitThird Party Advisory
  • usn.ubuntu.com https://usn.ubuntu.com/4516-1/
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.