CVE-2018-25160
CVE-2018-25160 is a medium-severity vulnerability in Tokuhirom Http 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-20.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2018-21615
- Weakness: CWE-20
- Affected product: Tokuhirom Http
- Published:
- Last modified:
Description
HTTP::Session2 versions through 1.09 for Perl does not validate the format of user provided session ids, enabling code injection or other impact depending on session backend. For example, if an application uses memcached for session storage, then it may be possible for a remote attacker to inject memcached commands in the session id value.
Frequently asked questions
- What is CVE-2018-25160?
- HTTP::Session2 versions through 1.09 for Perl does not validate the format of user provided session ids, enabling code injection or other impact depending on session backend. For example, if an application uses memcached for session storage, then it may be possible for a remote attacker to inject memcached commands in the session id value.
- How severe is CVE-2018-25160?
- CVE-2018-25160 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-2018-25160 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-25160?
- CVE-2018-25160 affects Tokuhirom Http. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-25160?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2018-25160 have an EU (EUVD) identifier?
- Yes. CVE-2018-25160 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21615.
- When was CVE-2018-25160 published?
- CVE-2018-25160 was published on 2026-02-27 and last updated on 2026-06-17.
References
- https://github.com/tokuhirom/HTTP-Session2/commit/813838f6d08034b6a265a70e53b59b941b5d3e6d.patch
- https://metacpan.org/pod/Cache::Memcached::Fast::Safe
- https://metacpan.org/release/TOKUHIROM/HTTP-Session2-1.10/source/Changes
- http://www.openwall.com/lists/oss-security/2026/02/27/13
Affected products (1)
- cpe:2.3:a:tokuhirom:http\:\:session2:*:*:*:*:*:perl:*:*
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