How severe is CVE-2023-33855?

CVE-2023-33855 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-33855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33855?

CVE-2023-33855 affects Ibm Common Cryptographic Architecture. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33855?

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

Does CVE-2023-33855 have an EU (EUVD) identifier?

Yes. CVE-2023-33855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38005.

When was CVE-2023-33855 published?

CVE-2023-33855 was published on 2024-03-26 and last updated on 2026-06-17.

CVE-2023-33855

CVE-2023-33855 is a low-severity vulnerability in Ibm Common Cryptographic Architecture with a CVSS 3.x base score of 3.7. 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-385.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-38005
Weakness: CWE-385
Affected product: Ibm Common Cryptographic Architecture
Published: 2024-03-26
Last modified: 2026-06-17

Description

Under certain conditions, RSA operations performed by IBM Common Cryptographic Architecture (CCA) 7.0.0 through 7.5.36 may exhibit non-constant-time behavior. This could allow a remote attacker to obtain sensitive information using a timing-based attack. IBM X-Force ID: 257676.

Frequently asked questions

What is CVE-2023-33855?: Under certain conditions, RSA operations performed by IBM Common Cryptographic Architecture (CCA) 7.0.0 through 7.5.36 may exhibit non-constant-time behavior. This could allow a remote attacker to obtain sensitive information using a timing-based attack. IBM X-Force ID: 257676.
How severe is CVE-2023-33855?: CVE-2023-33855 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-33855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33855?: CVE-2023-33855 affects Ibm Common Cryptographic Architecture. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-33855 have an EU (EUVD) identifier?: Yes. CVE-2023-33855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38005.
When was CVE-2023-33855 published?: CVE-2023-33855 was published on 2024-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:common_cryptographic_architecture:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Common Cryptographic Architecture

CVE-2023-47150 — High (CVSS 7.5): IBM Common Cryptographic Architecture (CCA) 7.0.0 through 7.5.36 could allow a remote user to cause a denial of service…
CVE-2024-49823 — Medium (CVSS 6.5): IBM Common Cryptographic Architecture 7.0.0 through 7.5.51 could allow an authenticated user to cause a denial of…
CVE-2024-22340 — Medium (CVSS 6.5): IBM Common Cryptographic Architecture 7.0.0 through 7.5.51 could allow a remote attacker to obtain sensitive…
CVE-2022-22423 — Medium (CVSS 5.5): IBM Common Cryptographic Architecture (CCA 5.x MTM for 4767 and CCA 7.x MTM for 4769) could allow a local user to cause…
CVE-2024-41760 — Low (CVSS 3.7): IBM Common Cryptographic Architecture 7.0.0 through 7.5.51 could allow an attacker to obtain sensitive information…

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