How severe is CVE-2020-11937?

CVE-2020-11937 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-11937 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11937?

CVE-2020-11937 primarily affects Canonical Whoopsie. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11937?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11937 published?

CVE-2020-11937 was published on 2020-08-06 and last updated on 2026-06-17.

CVE-2020-11937

CVE-2020-11937 is a medium-severity vulnerability in Canonical Whoopsie with a CVSS 3.x base score of 5.5. 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-401.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Canonical Whoopsie
Published: 2020-08-06
Last modified: 2026-06-17

Description

In whoopsie, parse_report() from whoopsie.c allows a local attacker to cause a denial of service via a crafted file. The DoS is caused by resource exhaustion due to a memory leak. Fixed in 0.2.52.5ubuntu0.5, 0.2.62ubuntu0.5 and 0.2.69ubuntu0.1.

Frequently asked questions

What is CVE-2020-11937?: In whoopsie, parse_report() from whoopsie.c allows a local attacker to cause a denial of service via a crafted file. The DoS is caused by resource exhaustion due to a memory leak. Fixed in 0.2.52.5ubuntu0.5, 0.2.62ubuntu0.5 and 0.2.69ubuntu0.1.
How severe is CVE-2020-11937?: CVE-2020-11937 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-11937 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11937?: CVE-2020-11937 primarily affects Canonical Whoopsie. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11937?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11937 published?: CVE-2020-11937 was published on 2020-08-06 and last updated on 2026-06-17.

References

Affected products (27)

cpe:2.3:a:canonical:whoopsie:0.2.66:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.67:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.68:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.69:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.49:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.50:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.51:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.1:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.2:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.3:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.4:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.5:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.5ubuntu0.1:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.5ubuntu0.2:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.5ubuntu0.3:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.52.5ubuntu0.4:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.58:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.59:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.59build1:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.60:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.61:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.62:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.62ubuntu0.1:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.62ubuntu0.2:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.62ubuntu0.3:*:*:*:*:*:*:*
cpe:2.3:a:canonical:whoopsie:0.2.62ubuntu0.4:*:*:*:*:*:*:*

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