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CVE-2020-15720

23
FAUCET Score

CVE-2020-15720 describes a vulnerability in Dogtag PKI versions through 10.8.3, specifically within the pki.client.PKIConnection class, where Python-requests certificate validation was disabled by default. This flaw, due to a hard-coded 'verify' parameter, could expose tools like pki-server to Person-in-the-Middle (MitM) attacks in non-localhost scenarios. With a CVSS score of 6.8 (Medium), the vulnerability has a network attack vector, high attack complexity, and could lead to high confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.8.3CPE matchmatch criteria
cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0101 is in the 72nd percentile among its peer group of 705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: pki-core:10.6-8030020200911215836.5ff1562f
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: pki-deps:10.6-8030020200527165326.30b713e6
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: pki-core

Vendor Advisories (1)

redhatCVE-2020-15720Moderate

pki: Dogtag's python client does not validate certificates

Jun 23, 2020

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / dogtagpki/pki/commit/50c23ec146ee9abf28c9de87a5f7787d495f0b72
PatchThird Party Advisory
github.com / dogtagpki/pki/compare/v10.9.0-a2...v10.9.0-b1
PatchThird Party Advisory