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CVE-1999-0428

23
FAUCET Score

CVE-1999-0428 describes a vulnerability in OpenSSL and SSLeay that allows remote attackers to reuse SSL sessions, potentially bypassing access controls. This high-severity vulnerability (CVSS 7.5) is easily exploitable over the network with no authentication required, leading to potential compromise of confidentiality, integrity, and availability. Despite its age and severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.2bCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.23%
Probability of exploitation in next 30 days
EPSS Percentile
87.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0323 is in the 77th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: cm1 openssl 1.1.1k-5 on CBL Mariner 1.0Fixed in: -
microsoftpatch availablevia msrc
Product: 16878-16820Fixed in: -
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 1.1.1k-5
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 1.1.1k-5

Vendor Advisories (3)

microsoft2020-Sep/CVE-1999-0428

CVE-1999-0428

Sep 8, 2020
microsoft2000-Jan/CVE-1999-0428Important

OpenSSL and SSLeay allow remote attackers to reuse SSL sessions and bypass access controls.

Jan 2, 2000
redhatCVE-1999-0428Moderate

openssl: allow remote attackers to reuse SSL sessions and bypass access controls

Mar 22, 1999

References

osvdb.org / 3936
Broken Link