How severe is CVE-2025-27901?

CVE-2025-27901 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-27901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27901?

CVE-2025-27901 primarily affects Ibm Db2 Recovery Expert. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-27901?

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

Does CVE-2025-27901 have an EU (EUVD) identifier?

Yes. CVE-2025-27901 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207717.

When was CVE-2025-27901 published?

CVE-2025-27901 was published on 2026-02-17 and last updated on 2026-06-17.

CVE-2025-27901

CVE-2025-27901 is a medium-severity vulnerability in Ibm Db2 Recovery Expert with a CVSS 3.x base score of 6.5. 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-644.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207717
Weakness: CWE-644
Affected product: Ibm Db2 Recovery Expert
Published: 2026-02-17
Last modified: 2026-06-17

Description

IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

Frequently asked questions

What is CVE-2025-27901?: IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
How severe is CVE-2025-27901?: CVE-2025-27901 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-27901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27901?: CVE-2025-27901 primarily affects Ibm Db2 Recovery Expert. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-27901?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27901 have an EU (EUVD) identifier?: Yes. CVE-2025-27901 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207717.
When was CVE-2025-27901 published?: CVE-2025-27901 was published on 2026-02-17 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7259901

Affected products (3)

cpe:2.3:a:ibm:db2_recovery_expert:5.5.0:interim_fix_002:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2_recovery_expert:5.5.0:interim_fix_002:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2_recovery_expert:5.5.0:interim_fix_002:*:*:*:windows:*:*

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