5

CVE-2015-7756: juniper screenos Cryptographic Issues

CVSS: 5.0v2.0MediumModified
Published 19-12-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-7756 is a medium (CVSS 5.0) Cryptographic Issues vulnerability in juniper screenos. EPSS estimates a 2.55% chance of exploitation in the next 30 days, higher than 84.7% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
2.55%
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. 19-12-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The encryption implementation in Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before 6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b, 6.3.0r19 before 6.3.0r19b, and 6.3.0r20 before 6.3.0r21 makes it easier for remote attackers to discover the plaintext content of VPN sessions by sniffing the network for ciphertext data and conducting an unspecified decryption attack.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.55%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.55% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.55%

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

Juniper1 product
  • screenos6.2.0r15 | 6.2.0r16 | 6.2.0r17 | 6.2.0r18 | 6.3.0:r12 | 6.3.0:r14 | 6.3.0:r15 | 6.3.0:r16 | 6.3.0:r17 | 6.3.0:r18 | 6.3.0:r19 | 6.3.0:r20

1 vendor · 1 product

References

9 links