CVE-2015-1820
CVE-2015-1820 is a critical-severity vulnerability in Rest-client Project Rest-client with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 4% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-384
- Affected product: Rest-client Project Rest-client
- Published:
- Last modified:
Description
REST client for Ruby (aka rest-client) before 1.8.0 allows remote attackers to conduct session fixation attacks or obtain sensitive cookie information by leveraging passage of cookies set in a response to a redirect.
Frequently asked questions
- What is CVE-2015-1820?
- REST client for Ruby (aka rest-client) before 1.8.0 allows remote attackers to conduct session fixation attacks or obtain sensitive cookie information by leveraging passage of cookies set in a response to a redirect.
- How severe is CVE-2015-1820?
- CVE-2015-1820 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2015-1820 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-1820?
- CVE-2015-1820 affects Rest-client Project Rest-client. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-1820?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2015-1820 published?
- CVE-2015-1820 was published on 2017-08-09 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2015/03/24/3
- http://www.securityfocus.com/bid/73295
- https://bugzilla.redhat.com/show_bug.cgi?id=1205291
- https://github.com/rest-client/rest-client/issues/369
Affected products (1)
- cpe:2.3:a:rest-client_project:rest-client:*:*:*:*:*:ruby:*:*
More vulnerabilities in Rest-client Project Rest-client
- CVE-2019-15224 — Critical (CVSS 9.8): The rest-client gem 1.6.10 through 1.6.13 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor…
- CVE-2015-3448 — Low (CVSS 2.1): REST client for Ruby (aka rest-client) before 1.7.3 logs usernames and passwords, which allows local users to obtain…
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