7.8

CVE-2011-0766: erlang crypto Cryptographic Issues

CVSS: 7.8v2.0HighModified
AliasesDEBIAN-CVE-2011-0766
Published 31-05-2011Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2011-0766 is a high (CVSS 7.8) Cryptographic Issues vulnerability in erlang crypto. EPSS estimates a 3.07% chance of exploitation in the next 30 days, higher than 87.4% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
3.07%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 31-05-2011
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

The random number generator in the Crypto application before 2.0.2.2, and SSH before 2.0.5, as used in the Erlang/OTP ssh library before R14B03, uses predictable seeds based on the current time, which makes it easier for remote attackers to guess DSA host and SSH session keys.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.07%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

+0.03 pp

From 3.05% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.07%

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

Erlang2 products
  • crypto≤ 2.0.2.1
  • erlang\/otpr11b-5 | r12b-5 | r13b | r13b02-1 | r13b03 | r13b04 | r14a | r14b | r14b01 | r14b02
Debian1 product
  • erlang< 1:14.b.3-dfsg-1
Ssh1 product

3 vendors · 4 products

References

5 links