CVE-2020-24275
CVE-2020-24275 is a medium-severity vulnerability in Swoole 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-74.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-74
- Affected product: Swoole
- Published:
- Last modified:
Description
A HTTP response header injection vulnerability in Swoole v4.5.2 allows attackers to execute arbitrary code via supplying a crafted URL.
Frequently asked questions
- What is CVE-2020-24275?
- A HTTP response header injection vulnerability in Swoole v4.5.2 allows attackers to execute arbitrary code via supplying a crafted URL.
- How severe is CVE-2020-24275?
- CVE-2020-24275 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-2020-24275 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-24275?
- CVE-2020-24275 affects Swoole. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-24275?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-24275 published?
- CVE-2020-24275 was published on 2023-07-20 and last updated on 2026-06-17.
References
- https://blog.cal1.cn/post/HTTP%20Response%20Header%20Injection%20in%20Swoole%3C%3D4.5.2
- https://github.com/swoole/swoole-src/pull/3539
- https://github.com/swoole/swoole-src/pull/3545
- https://portswigger.net/kb/issues/00200200_http-response-header-injection
Affected products (1)
- cpe:2.3:a:swoole:swoole:4.5.2:*:*:*:*:*:*:*
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