5

CVE-2003-0543: openssl

CVSS: 5.0v2.0MediumModified
AliasesDEBIAN-CVE-2003-0543
Published 01-10-2003Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2003-0543 is a medium (CVSS 5.0) vulnerability in openssl. EPSS estimates a 27.37% chance of exploitation in the next 30 days, higher than 98% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
27.37%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Advisory lineage

Upstream 0 · Downstream 2
DSA-393DSA-394

Timeline

  1. 01-10-2003
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

27.37%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 27.37% on 20-09-2026

20-09-202620-10-2026
EPSS score
27.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedosmultipleVerified

    OpenSSL ASN.1 < 0.9.6j/0.9.7b - Brute Forcer for Parsing Bugs

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • openssl< 0.9.7c
Openssl1 product

2 vendors · 2 products

References

17 links
Show all 17 references