CVE-2020-5205
CVE-2020-5205 is a medium-severity vulnerability in Powauth Pow 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-384.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 5.5
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-384
- Affected product: Powauth Pow
- Published:
- Last modified:
Description
In Pow (Hex package) before 1.0.16, the use of Plug.Session in Pow.Plug.Session is susceptible to session fixation attacks if a persistent session store is used for Plug.Session, such as Redis or a database. Cookie store, which is used in most Phoenix apps, doesn't have this vulnerability.
Frequently asked questions
- What is CVE-2020-5205?
- In Pow (Hex package) before 1.0.16, the use of Plug.Session in Pow.Plug.Session is susceptible to session fixation attacks if a persistent session store is used for Plug.Session, such as Redis or a database. Cookie store, which is used in most Phoenix apps, doesn't have this vulnerability.
- How severe is CVE-2020-5205?
- CVE-2020-5205 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2020-5205 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5205?
- CVE-2020-5205 affects Powauth Pow. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-5205?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5205 published?
- CVE-2020-5205 was published on 2020-01-09 and last updated on 2026-06-17.
References
- https://github.com/danschultzer/pow/blob/master/CHANGELOG.md#v1016-2020-01-07
- https://github.com/danschultzer/pow/commit/578ffd3d8bb8e8a26077b644222186b108da474f
- https://github.com/danschultzer/pow/security/advisories/GHSA-v2wf-c3j6-wpvw
Affected products (1)
- cpe:2.3:a:powauth:pow:*:*:*:*:*:*:*:*
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