How severe is CVE-2008-7128?

CVE-2008-7128 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-7128 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-7128?

CVE-2008-7128 primarily affects Xyssl. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-7128?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-7128 published?

CVE-2008-7128 was published on 2009-08-31 and last updated on 2026-06-16.

CVE-2008-7128

CVE-2008-7128 is a high-severity vulnerability in Xyssl with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Xyssl
Published: 2009-08-31
Last modified: 2026-06-16

Description

The ssl_parse_client_key_exchange function in XySSL before 0.9 does not protect against certain Bleichenbacher attacks using chosen ciphertext, which allows remote attackers to recover keys via unspecified vectors.

Frequently asked questions

What is CVE-2008-7128?: The ssl_parse_client_key_exchange function in XySSL before 0.9 does not protect against certain Bleichenbacher attacks using chosen ciphertext, which allows remote attackers to recover keys via unspecified vectors.
How severe is CVE-2008-7128?: CVE-2008-7128 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-7128 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-7128?: CVE-2008-7128 primarily affects Xyssl. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-7128?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-7128 published?: CVE-2008-7128 was published on 2009-08-31 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:xyssl:xyssl:*:*:*:*:*:*:*:*
cpe:2.3:a:xyssl:xyssl:0.1:*:*:*:*:*:*:*
cpe:2.3:a:xyssl:xyssl:0.2:*:*:*:*:*:*:*
cpe:2.3:a:xyssl:xyssl:0.3:*:*:*:*:*:*:*
cpe:2.3:a:xyssl:xyssl:0.4:*:*:*:*:*:*:*
cpe:2.3:a:xyssl:xyssl:0.5:*:*:*:*:*:*:*
cpe:2.3:a:xyssl:xyssl:0.6:*:*:*:*:*:*:*
cpe:2.3:a:xyssl:xyssl:0.7:*:*:*:*:*:*:*

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