How severe is CVE-2005-1797?

CVE-2005-1797 has a CVSS 2.0 base score of 5.1, rated medium severity.

Is CVE-2005-1797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-1797?

CVE-2005-1797 primarily affects Openssl. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-1797?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-1797 published?

CVE-2005-1797 was published on 2005-05-26 and last updated on 2026-06-16.

CVE-2005-1797

CVE-2005-1797 is a medium-severity vulnerability in Openssl with a CVSS 2.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.1)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openssl
Published: 2005-05-26
Last modified: 2026-06-16

Description

The design of Advanced Encryption Standard (AES), aka Rijndael, allows remote attackers to recover AES keys via timing attacks on S-box lookups, which are difficult to perform in constant time in AES implementations.

Frequently asked questions

What is CVE-2005-1797?: The design of Advanced Encryption Standard (AES), aka Rijndael, allows remote attackers to recover AES keys via timing attacks on S-box lookups, which are difficult to perform in constant time in AES implementations.
How severe is CVE-2005-1797?: CVE-2005-1797 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2005-1797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1797?: CVE-2005-1797 primarily affects Openssl. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-1797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-1797 published?: CVE-2005-1797 was published on 2005-05-26 and last updated on 2026-06-16.

References

Affected products (28)

cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7:beta3:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*

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