How severe is CVE-2020-13112?

CVE-2020-13112 has a CVSS 3.x base score of 9.1, 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 none, and availability high.

Is CVE-2020-13112 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13112?

CVE-2020-13112 primarily affects Libexif Project Libexif. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-13112?

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-2020-13112 published?

CVE-2020-13112 was published on 2020-05-21 and last updated on 2026-06-17.

CVE-2020-13112

CVE-2020-13112 is a critical-severity vulnerability in Libexif Project Libexif with a CVSS 3.x base score of 9.1. 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-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Libexif Project Libexif
Published: 2020-05-21
Last modified: 2026-06-17

Description

An issue was discovered in libexif before 0.6.22. Several buffer over-reads in EXIF MakerNote handling could lead to information disclosure and crashes. This is different from CVE-2020-0093.

Frequently asked questions

What is CVE-2020-13112?: An issue was discovered in libexif before 0.6.22. Several buffer over-reads in EXIF MakerNote handling could lead to information disclosure and crashes. This is different from CVE-2020-0093.
How severe is CVE-2020-13112?: CVE-2020-13112 has a CVSS 3.x base score of 9.1, 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 none, and availability high.
Is CVE-2020-13112 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13112?: CVE-2020-13112 primarily affects Libexif Project Libexif. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-13112?: 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-2020-13112 published?: CVE-2020-13112 was published on 2020-05-21 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

More vulnerabilities in Libexif Project Libexif

CVE-2017-7544 — Critical (CVSS 9.1): libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in…
CVE-2020-13113 — High (CVSS 8.2): An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to…
CVE-2016-6328 — High (CVSS 8.1): A vulnerability was found in libexif. An integer overflow when parsing the MNOTE entry data of the input file. This can…
CVE-2020-0198 — High (CVSS 7.5): In exif_data_load_data_content of exif-data.c, there is a possible UBSAN abort due to an integer overflow. This could…
CVE-2020-0181 — High (CVSS 7.5): In exif_data_load_data_thumbnail of exif-data.c, there is a possible denial of service due to an integer overflow. This…
CVE-2020-13114 — High (CVSS 7.5): An issue was discovered in libexif before 0.6.22. An unrestricted size in handling Canon EXIF MakerNote data could lead…

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CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
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