CVE-2020-11102
CVE-2020-11102 is a medium-severity vulnerability in Qemu with a CVSS 3.x base score of 5.6. 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-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.6)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Qemu
- Published:
- Last modified:
Description
hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.
Frequently asked questions
- What is CVE-2020-11102?
- hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.
- How severe is CVE-2020-11102?
- CVE-2020-11102 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2020-11102 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-11102?
- CVE-2020-11102 affects Qemu. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-11102?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-11102 published?
- CVE-2020-11102 was published on 2020-04-06 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2020/04/06/1
- https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.html
- https://security.gentoo.org/glsa/202005-02
Affected products (1)
- cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*
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