2.6

CVE-2015-1787: openssl Improper Input Validation

CVSS: 2.6v2.0LowModified
Published 19-03-2015Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-1787 is a low (CVSS 2.6) Improper Input Validation vulnerability in openssl. EPSS estimates a 5.89% chance of exploitation in the next 30 days, higher than 93.1% of scored vulnerabilities.

Overall risk
12/100
0100
Low · default modelHow is this calculated?
CVSS score
2.6/10
010
Low · v2.0 (NVD)
EPSS score
5.89%
0%100%
Low · -0.64 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-03-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.89%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

-0.64 pp

From 6.53% on 20-09-2026

20-09-202620-10-2026
EPSS score
5.89%

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

Openssl1 product
  • opensslEOL1.0.2 | 1.0.2:beta1 | 1.0.2:beta2 | 1.0.2:beta3

1 vendor · 1 product

References

17 links
Show all 17 references