CVE-2019-14855: canonical ubuntu_linux Inadequate Encryption Strength
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2019-14855MGASA-2019-0348UBUNTU-CVE-2019-14855USN-4516-1DEBIAN-CVE-2019-14855CGA-g64p-65pj-38vvCGA-rx4r-v95w-582x
Published 20-03-2020Last modified 05-08-2024
Vulnerability summary
CVE-2019-14855 is a high (CVSS 7.5) Inadequate Encryption Strength vulnerability in canonical ubuntu_linux. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.08%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1 · Related 3Timeline
- 20-03-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
10 scores · 7 sources · 3 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 6 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 5.3Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 3 agree
- NVDNIST5.3MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.08%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.08% on 19-09-2026
19-09-202619-10-2026
EPSS score1.08%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (rwc.iacr.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu3 products
- gnupgAll versions (No fix recorded)
- gnupg1All versions (No fix recorded)
- gnupg2All versions (No fix recorded) | < 2.2.4-1ubuntu1.3
Debian2 products
- gnupg1All versions (No fix recorded)
- gnupg2< 2.2.19-1
Alpine1 product
- gnupg< 2.2.19-r0 | < 2.2.18-r0
Canonical1 product
- ubuntu_linuxEOL18.04
Chainguard1 product
- gnupgAll versions (No fix recorded)
Fedoraproject1 product
- fedoraEOL30 | 31
Gnupg1 product
- gnupg< 2.2.18
Mageia1 product
- gnupg2< 2.2.18-1.mga7
Red hat1 product
- gnupg22.2.18
Wolfi1 product
- gnupgAll versions (No fix recorded)
10 vendors · 13 products
References
13 links- lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.htmlMailing ListRelease NotesVendor AdvisoryWEBAdvisory
