7.5

CVE-2016-2850: botan_project botan Improper Input Validation

CVSS: 7.5v3.0HighModified
Published 13-05-2016Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2016-2850 is a high (CVSS 7.5) Improper Input Validation vulnerability in botan_project botan. EPSS estimates a 2.12% chance of exploitation in the next 30 days, higher than 81.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-05-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.12%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

0.00 pp

From 2.12% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.12%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Botan_project1 product
  • botan1.11.0 | 1.11.1 | 1.11.2 | 1.11.3 | 1.11.4 | 1.11.5 | 1.11.6 | 1.11.7 | 1.11.8 | 1.11.9 | 1.11.10 | 1.11.11 | 1.11.12 | 1.11.13 | 1.11.14 | 1.11.15 | 1.11.16 | 1.11.17 | 1.11.18 | 1.11.19 | 1.11.20 | 1.11.21 | 1.11.22 | 1.11.23 | 1.11.24 | 1.11.25 | 1.11.26 | 1.11.27 | 1.11.28
Fedoraproject1 product

2 vendors · 2 products

References

4 links