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CVE-2019-14859

28
FAUCET Score

CVE-2019-14859 is a critical flaw in python-ecdsa versions prior to 0.13.3, affecting products like Red Hat Ceph Storage and OpenStack, where the library failed to properly validate DER-encoded signatures. This allowed for signature malleability, enabling attackers to potentially forge transactions. With a CVSS score of 9.1 (Critical), it presents a high-impact threat via network-based attacks with low complexity, leading to potential compromise of confidentiality and integrity. Despite its severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.13.3CPE matchmatch criteria
cpe:2.3:a:python-ecdsa_project:python-ecdsa:*:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:redhat:ceph_storage:2.0:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
13CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.4HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 61st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

pippatch availablevia ghsa
Product: ecdsaFixed in: 0.13.3
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.10 for RHEL 7Fixed in: python-ecdsa-0:0.13.3-2.el7pc
View patch
redhatpatch availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Storage 3Fixed in: python-ecdsa
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 14 (Rocky)Fixed in: python-ecdsa
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 15 (Stein)Fixed in: python-ecdsa
redhatend of lifevia redhat_api
Product: Red Hat Virtualization 4Fixed in: python-ecdsa
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 2Fixed in: python-ecdsa
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 10 (Newton)Fixed in: python-ecdsa
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: python-ecdsa

Vendor Advisories (2)

pipGHSA-8qxj-f9rh-9fg2critical

Improper Verification of Cryptographic Signature in Pure-Python ECDSA

Apr 1, 2020
redhatCVE-2019-14859Moderate

python-ecdsa: DER encoding is not being verified in signatures

Sep 25, 2019

References

bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingPatchThird Party Advisory
github.com / warner/python-ecdsa/issues/114
ExploitThird Party Advisory
github.com / warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
Release NotesThird Party Advisory
pypi.org / project/ecdsa/0.13.3
Release NotesThird Party Advisory