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CVE-2016-6879

19
FAUCET Score

CVE-2016-6879 describes a vulnerability in the X509_Certificate::allowed_usage function of Botan 1.11.x before 1.11.31, where an attacker could potentially achieve unspecified impact by manipulating Key_Usage enum values. This vulnerability carries a CVSS v3 score of 7.5 (HIGH), indicating a network-exploitable flaw with low attack complexity, requiring no user interaction, and potentially leading to high integrity impact. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.11.0CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:1.11.0:*:*:*:*:*:*:*
1.11.1CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:1.11.1:*:*:*:*:*:*:*
1.11.2CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:1.11.2:*:*:*:*:*:*:*
1.11.3CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:1.11.3:*:*:*:*:*:*:*
1.11.4CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:1.11.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 20th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Remediation records are not available for this CVE.

References

botan.randombit.net / security.html
Third Party Advisory